Add matrix build and test CI workflow

Signed-off-by: Pierre R. Mai <pmai@pmsf.de>

Author: pmai

.github/workflows/build.yml

@@ -0,0 +1,47 @@
+name: CI Builds
+
+on:
+  push:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build-python:
+    name: Build Python
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Setup Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install Python Dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install poetry
+
+    - name: Build Python
+      run: poetry build
+
+    - name: Install Python
+      run: poetry install
+
+    - name: Run Python Tests
+      run: poetry run pytest -vv
+
+    - name: Upload Python Distribution
+      if: ${{ github.event_name == 'pull_request' || ( github.event_name == 'push' && ( github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/tags/v') ) ) }}
+      uses: actions/upload-artifact@v4
+      with:
+        name: python-dist
+        path: dist/