Hithomelabs/CFTunnels#115: Add javadoc verification to CI workflow

.gitea/workflows/test_build.yml

@@ -3,6 +3,8 @@ run-name: Build started by $ {{gitea.actor}}
 on:
   pull_request:
     branches: [test]
+  push:
+    branches: [main, test]
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -17,4 +19,16 @@ jobs:
       - name: Validate Gradle Wrapper
         uses: gradle/actions/wrapper-validation@v3
       - name: Gradle build
-        run: ./gradlew build --info
+        run: ./gradlew build --info
+      - name: Generate Javadoc
+        run: ./gradlew javadoc
+        continue-on-error: true
+      - name: Verify Javadoc generation
+        run: |
+          if [ -d "build/docs/javadoc" ]; then
+            echo "Javadoc generated successfully"
+            ls -la build/docs/javadoc/
+          else
+            echo "Warning: Javadoc directory not found"
+            exit 1
+          fi