pr-preview.yml add install dependencies

Author: hanjianqiao

.github/workflows/pr-preview.yml

@@ -110,6 +110,12 @@ jobs:
         run: |
           echo "Installing Antora packages local..."
           npm install --global antora@3.1.7  @antora/lunr-extension  @antora/pdf-extension  @node-rs/jieba
+      
+      - name: Install Doc Builder Dependencies
+        working-directory: ./ivory-doc-builder
+        run: |
+          echo "Installing Node dependencies for doc-builder..."
+          npm install
 
       - name: Build English Documentation
         working-directory: ./ivory-doc-builder