feat: add workflow to check for syntax errors in qgis compatible pyth…

…on versions

.github/workflows/python_compatibility.yml

@@ -0,0 +1,25 @@
+name: Python Compatibility Check
+
+on: [push, pull_request]
+
+jobs:
+  check-syntax:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.7, 3.8, 3.9]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Check syntax with py_compile
+      run: |
+        for file in $(find . -name "*.py"); do
+          python -m py_compile $file
+        done