Update workflow to build News-reader-pro

.gitea/workflows/demo.yaml

@@ -1,13 +1,17 @@
-name: Hello Gitea Actions
+name: Build News-reader-pro
 on: [push]
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Run a one-line script
+      - name: Setup Node.js
-        run: echo "Hello, Gitea Actions!"
+        uses: actions/setup-node@v4
-      - name: Run a multi-line script
+        with:
-        run: |
+          node-version: '20' # Adjust to your Node.js version
-          echo Add other actions as you wish...
+      - name: Install dependencies
-          echo Such as building your code, running tests, or deploying.
+        run: npm install
+      - name: Build the project
+        run: npm run build
+      - name: List build output
+        run: ls -la dist/