fix: add vitepress

Author: richieyan

.github/workflows/deploy.yml

@@ -44,8 +44,8 @@ jobs:
       - name: Install dependencies
         run: |
           cd fust-docs
+          npm add -D vitepress
           npm install
-          npm install -g vitepress
       - name: Build with VitePress
         run: |
           cd fust-docs