Added .github/ folder

.github/ISSUE_TEMPLATE/bug-report---general.md

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+---
+name: Bug report - General
+about: Create a report to help us improve
+title: "[BUG]"
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Clone '...'
+2. Call '...' in the command-line
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Architecture**
+- OS: [e.g. Linux]
+- Tree-sitter Version: [e.g. 0.20.8]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/bug-report---parsing.md

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+---
+name: Bug report - Parsing
+about: Describe an unexpected parsing issue
+title: "[PARSE BUG]"
+labels: bug
+assignees: ''
+
+---
+
+# Summary
+A clear and concise description of what the bug is.
+
+# Details
+## tree-sitter-cli
+Given this Objdump file
+
+<!-- Insert a Objdump file here or link to a GitHub gist example -->
+`tree-sitter parse /the/file.usda`
+
+### Expected Parse
+<!-- Insert the text output that you expected here -->
+```scm
+(module
+  (...
+    (good_stuff ...)))
+```
+
+### Actual Parse
+<!-- Insert what `tree-sitter parse` returned -->
+```scm
+(module
+  (...
+    (ERROR ...)))
+```
+
+## General
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Architecture**
+- OS: [e.g. Linux]
+- Tree-sitter Version: [e.g. 0.20.8]
+
+**Additional context**
+Add any other context about the problem here.

.github/workflows/test.yml

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+name: Build/test
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - "**"
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        os: [macos-latest, ubuntu-latest]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 14
+      - run: npm install
+      - run: npm test
+
+  test_windows:
+    runs-on: windows-2019
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 14
+      - run: npm install
+      - run: npm run-script test-windows