Add import test with python version matrix

Author: chpolste

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+name: Build and test package
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+    steps:
+      - uses: actions/checkout@v6
+      - name: Python setup
+        uses: actions/setup-python@v6
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install package
+        run: pip install .
+      - name: Run a test import
+        run: python -c "import rwguide.zonalization"
+