Use CI to build Python wheels on different platforms

.github/workflows/build-python-wheels.yml

@@ -0,0 +1,28 @@
+name: Build Python Wheels
+
+on: [push, pull_request]
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, windows-2019, macos-11]
+    env:
+      LDK_NODE_PYTHON_DIR: bindings/python
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Generate Python bindings
+        run: ./scripts/uniffi_bindgen_generate_python.sh
+
+      - name: Build wheels
+        run: |
+          cd $LDK_NODE_PYTHON_DIR
+          python3 -m build -o ../../wheelhouse
+
+      - uses: actions/upload-artifact@v3
+        with:
+          path: ./wheelhouse/*.whl