Add test CI

.github/workflows/example-plugin.yml

@@ -0,0 +1,21 @@
+name: Build example plugin
+
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          submodules: true
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+      - name: Build/install bindings
+        run: pip install .
+      - name: Build example plugin
+        run: |
+          cd example
+          pumpkin-plugin-build main