添加gitea打包workflow

.gitea/workflows/build.yml

@@ -0,0 +1,28 @@
+name: Build Portal
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Show versions
+        run: |
+          node -v
+          npm -v
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build project
+        run: npm run build
+
+      - name: List dist files
+        run: ls -la dist