Added basic CI

.github/workflows/format.yml

@@ -0,0 +1,21 @@
+name: Format
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.9", "3.10"]
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install black pylint mypy
+    - run: bash ci.sh

ci.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -e
+
+black --diff --check $(git ls-files '*.py')
+mypy --strict $(git ls-files '*.py')
+pylint $(git ls-files '*.py')

readme.md

@@ -1 +1,6 @@
-# SWR2 Cooles Projekt
+# SWR2
+
+## CI
+
+To run the CI manually and not only on GitHub Actions, install `black`,
+`pylint` and `mypy` using `pip`. Then, run `./ci.sh`.

src/main.py

@@ -0,0 +1,11 @@
+"""main module for main things"""
+
+
+def main() -> int:
+    """main function for mainier things"""
+    print("hello world")
+    return 0
+
+
+if __name__ == "__main__":
+    main()