add shengwang vulnerabilities box link (#1426)

Author: Wster11

docs/.vuepress/components/HomePage.vue

@@ -41,6 +41,7 @@
                     :href="item.link"
                     type="primary"
                     class="product-link"
+                    :target="item.target || '_self'"
                   >
                     {{ item.text }}
                   </el-link>

docs/README.md

@@ -18,6 +18,9 @@ products:
     text: 隐私协议
   - link: "/product/security_best_practices.html"
     text: 安全最佳实践
+  - link: "https://rte-src.vulbox.com/"
+    text: 安全响应中心  
+    target: '_blank'
 starter:
   - title: "SDK 快速开始"
     platform: