Message types and server2 (#46)

* fixed building issue

* fixed building issue

.github/workflows/buildAndTest.yml

@@ -12,6 +12,23 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+
+    - name: Use Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20.x'
+
+    - name: Install Frontend dependencies
+      run: npm install
+      working-directory: Frontend
+
+    - name: Create .env file
+      run: echo "VITE_APP_WEBSOCKET_IP=localhost" > .env
+      working-directory: Frontend
+
+    - name: Build Frontend
+      run: npm run build
+      working-directory: Frontend
     
     - name: Set up JDK 21
       uses: actions/setup-java@v4