Create single-file executable

Use `pyinstaller` to generate a single-file executable.

.github/workflows/bundle.yml

@@ -0,0 +1,39 @@
+# TODO same for Windows and MacOS
+name: Build and Package
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.12'
+    # TODO cache pip cache
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pyinstaller
+        pip install -e .
+
+    - name: Build with PyInstaller
+      run: |
+        pyinstaller --name ccompass_bundle_onefile --onefile --windowed -p . $(which ccompass)
+
+    - name: Upload artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: ccompass_bundle_onefile_linux
+        path: dist/ccompass_bundle_onefile