ci: verify that generated project can build and test

.github/workflows/ci.yaml

@@ -0,0 +1,23 @@
+on:
+    push:
+        branches: [main]
+    pull_request:
+        branches: [main]
+
+jobs:
+    test:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - uses: actions/setup-go@v5
+              with:
+                go-version: '>=1.22'
+            - uses: bazel-contrib/setup-bazel@0.8.2
+              with:
+                bazelisk-cache: true
+                repository-cache: true 
+            - run: |
+                go install github.com/hay-kot/scaffold@v0.0.89
+                scaffold help
+                cd $(mktemp -d)
+                scaffold new $GITHUB_WORKSPACE