Add GitHub CI workflow

.github/workflows/ci.yml

@@ -0,0 +1,30 @@
+name: CI
+
+on:
+  push:
+    branches: [ "master", "work" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.11'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        pip install pytest pylint
+    - name: Lint with pylint
+      run: |
+        pylint $(git ls-files '*.py')
+    - name: Compile all Python files
+      run: |
+        python -m py_compile $(git ls-files '*.py')
+    - name: Run tests
+      run: |
+        pytest -q