Add GitHub Actions config

.github/workflows/test.yml

@@ -0,0 +1,43 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Test
+
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    name: Build and test on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python 3.12
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.12"
+
+    - name: Install package and dependencies
+      run: |
+        pip install '.[dev]'
+
+    - name: Lint with mypy
+      run: |
+        mypy ttdlgc
+
+    - name: Lint with ruff
+      run: |
+        ruff check ttdlgc
+
+    - name: Lint with black
+      run: |
+        black --check ttdlgc