feat: github page action

Author: zFitness

.github/workflows/pages.yml

@@ -17,10 +17,11 @@ jobs:
         uses: actions/checkout@v2
         with:
           persist-credentials: false
+        run: npm install -g yarn
 
       # 生成静态文件
       - name: Build
-        run: npm install && npm run build:docs
+        run: yarn && yarn build:docs
 
       # 部署到 GitHub Pages
       - name: Deploy