Updates readme, adds templates, updates makefile, and adds CI

.github/CODEOWNERS

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+# This CODEOWNERS file sets the individuals responsible for code in the era-test-node repository.
+
+# These users are the default owners for everything in the repo.
+# They will be requested for review when someone opens a pull request.
+* @MexicanAce @uF4No @dutterbutter @mm-zk
+
+# You can also specify code owners for specific directories or files.
+# For example:
+# /src/ @developer1 @developer2
+# /docs/ @documenter

.github/CONTRIBUTING.md

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+# Contributing
+
+## Welcome! 👋
+
+Hello there, contributor! We're delighted that you're considering contributing to the `era-test-node` project. This document is here to guide you through the steps and best practices for contributing to this Rust-based repository.
+
+Please take a moment to review this document to ensure a smooth and efficient contribution process for everyone involved.
+
+## Getting Started
+
+- **Fork the repository.** Begin by forking the main `era-test-node` repository to your personal GitHub account.
+
+- **Clone the repository.** After forking, clone the repository to your local machine:
+
+```bash
+git clone https://github.com/<your-github-username>/era-test-node.git
+```
+
+- **Create a new branch.** Use descriptive names for your branches to help identify the feature, bugfix, or enhancement you're addressing:
+
+```bash
+git checkout -b feature/description-of-your-feature
+```
+
+## Making Changes
+
+- **Write your code.** Ensure your code is thoroughly tested and functions as expected. Clear, well-commented code is always appreciated.
+
+- **Compile and test.** Before submitting a pull request, ensure your code compiles, passes lint checks, and all tests are successful. You should also write unit tests for your contributions. Use the following command for these checks:
+
+```bash
+make all
+```
+
+- **Commit your changes.** Adhere to the [Conventional Commits](https://www.conventionalcommits.org/) standard when writing commit messages.
+
+- **Push your changes.** Push the changes to your forked repository:
+
+```bash
+git push origin feature/description-of-your-feature
+```
+
+## Submitting a Pull Request
+
+- **Initiate a pull request (PR).** Go to the main `era-test-node` repository. Your recently pushed branch should be highlighted, showing a "Compare & pull request" button. Click on it and provide a clear, detailed description of your changes in the PR.
+
+- **Await a review.** Our maintainers will review your PR. They might request changes or clarifications, so be ready to address any feedback.
+
+## Code Style Guide
+
+We follow Rust's official coding style guidelines. Before committing, ensure your code is formatted and lint checks pass:
+
+```bash
+cargo fmt --all -- --check &&
+cargo clippy -Zunstable-options -- -D warnings --allow clippy::unwrap_used
+```
+
+This ensures consistent code style throughout the project and helps identify potential issues early.
+
+## Need Assistance?
+
+If you're unsure about something or have questions, don't hesitate to open an issue or initiate a discussion in our [zkSync Community Hub](https://github.com/zkSync-Community-Hub/zkSync-developers/discussions). We're here to assist!
+
+## What's Next?
+
+Once your PR is approved and merged, your contribution will be integrated into the `era-test-node` repository. Congratulations, and thank you! We value your contribution and look forward to future collaborations.
+
+Remember, the best contributions come from enjoying the process, being respectful, and continuously learning. Thanks for being a part of our community!
+
+---
+
+*Last updated: July 24, 2023*

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Use this template for reporting issues
+title: ""
+labels: bug
+assignees: ''
+
+---
+
+### 🐛 Bug Report for zkSync Era In-Memory Node
+
+#### 📝 Description
+
+Provide a clear and concise description of the bug.
+
+#### 🔄 Reproduction Steps
+
+1. Step 1
+2. Step 2
+3. ...
+
+#### 🤔 Expected Behavior
+
+Describe what you expected to happen.
+
+#### 😯 Current Behavior
+
+Describe what actually happened.
+
+#### 🖥️ Environment
+
+- **Rust version**: [e.g., rustc 1.52.0]
+- **Operating System & Version**: [e.g., Ubuntu 20.04]
+- **Other relevant environment details**:
+
+#### 📋 Additional Context
+
+Add any other context about the problem here. If applicable, add screenshots to help explain.
+
+#### 📎 Log Output
+
+```
+Paste any relevant log output here.
+```

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: true
+contact_links:
+    - name: zksync-developers Discussion
+      url: https://github.com/zkSync-Community-Hub/zkync-developers/discussions
+      about: Please provide feedback, and ask questions here.
+    - name: In-memory documentation page
+      url: https://era.zksync.io/docs/tools/testing/era-test-node.html
+      about: Please refer to the documentation for immediate answers.

.github/ISSUE_TEMPLATE/feature_report.md

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+---
+name: Feature request
+about: Use this template for requesting features
+title: ""
+labels: feat
+assignees: ''
+
+---
+
+### 🌟 Feature Request
+
+#### 📝 Description
+
+Provide a clear and concise description of the feature you'd like to see.
+
+#### 🤔 Rationale
+
+Explain why this feature is important and how it benefits the project.
+
+#### 🖼️ Mockups/Examples
+
+If applicable, provide mockups or examples of how the feature would work.
+
+#### 📋 Additional Context
+
+Add any other context or information about the feature request here.

.github/workflows/checks.yaml

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+name: checks
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  # ensures proper formatting and clippy lint
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install latest nightly
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: nightly
+          components: rustfmt, clippy
+
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v1.3.0
+
+      - name: Run Linters
+        run: |
+          cargo fmt --all -- --check &&
+          cargo clippy -Zunstable-options -- -D warnings --allow clippy::unwrap_used
+
+  # ensures build is successful
+  build:
+    name: build
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: stable
+
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v1.3.0
+
+      - name: Build Code
+        run: make all

.github/workflows/secret_scanner.yaml

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+name: Leaked Secrets Scan
+on: [pull_request]
+jobs:
+  TruffleHog:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: TruffleHog OSS
+        uses: trufflesecurity/trufflehog@0c66d30c1f4075cee1aada2e1ab46dabb1b0071a
+        with:
+          path: ./
+          base: ${{ github.event.repository.default_branch }}
+          head: HEAD
+          extra_args: --debug --only-verified

.github/workflows/tests.yaml

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+name: run
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  test:
+    name: unit-tests
+    strategy:
+      matrix:
+        platform: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.platform }}
+
+    steps:
+    - name: Checkout Code
+      uses: actions/checkout@v3
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+      with: 
+        toolchain: stable
+
+    - name: Cache Rust Dependencies
+      uses: Swatinem/rust-cache@v1.3.0
+
+    - name: Install cargo-nextest
+      run: cargo +stable install cargo-nextest
+
+    - name: Run tests
+      run: cargo nextest run

Makefile

@@ -1,17 +1,35 @@
+# Build the system contracts
 build-contracts:
 	cd etc/system-contracts && yarn; yarn install; yarn build; yarn preprocess; yarn build-bootloader
 	./scripts/refresh_contracts.sh
 
+# Clean the system contracts
 clean-contracts:
 	cd etc/system-contracts && yarn clean
 	rm -rf src/deps/contracts
 
+# Rebuild the system contracts
 rebuild-contracts:
 	cd etc/system-contracts && yarn build; yarn preprocess; yarn build-bootloader
 	./scripts/refresh_contracts.sh
 
+# Build the Rust project
 rust-build:
 	cargo build --release
 
+# Lint checks for Rust code
+lint:
+	cargo fmt --all -- --check
+	cargo clippy -Zunstable-options -- -D warnings --allow clippy::unwrap_used
+
+# Run unit tests for Rust code
+test:
+	cargo test
+
+# Build everything
 all: build-contracts rust-build
-clean: clean-contracts
+
+# Clean everything
+clean: clean-contracts
+
+.PHONY: build-contracts clean-contracts rebuild-contracts rust-build lint test all clean