ci(docs): fix docs build

Author: fu050409

.github/workflows/docs-deploy.yml

@@ -34,6 +34,8 @@ jobs:
         uses: actions/configure-pages@v5
       - name: Install dependencies
         run: pnpm install
+      - name: Build MateChat
+        run: pnpm build
       - name: Build with Rspress
         run: |
           pnpm docs:build