Adds github workflow

.github/workflows/lint-and-test.yaml

@@ -0,0 +1,38 @@
+name: Python CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        pip install black pytest
+    
+    - name: Install CodeQL CLI
+      run: |
+        wget https://github.com/github/codeql-action/releases/latest/download/codeql-bundle-linux64.tar.gz
+        tar xzf codeql-bundle-linux64.tar.gz
+        echo "${{ github.workspace }}/codeql" >> $GITHUB_PATH
+    
+    # - name: Check linting with Black
+    #   run: black --check .
+    - name: Format with Black
+      run: black .
+
+    - name: Run tests
+      run: pytest tests/