feat: add iframe router

src/plugins/i18n/en/menus.ts

@@ -36,5 +36,8 @@ export default {
   externalLink: "External Link",
   hsAble: "Able",
   hsMenuTree: "Menu Tree",
-  hsWatermark: "Water Mark"
+  hsWatermark: "Water Mark",
+  hsExternalPage: "External Page",
+  hsPureDocument: "Pure Document",
+  hsEpDocument: "Element Plus Document"
 };

src/plugins/i18n/zh-CN/menus.ts

@@ -36,5 +36,8 @@ export default {
   externalLink: "外链",
   hsAble: "功能",
   hsMenuTree: "菜单树结构",
-  hsWatermark: "水印"
+  hsWatermark: "水印",
+  hsExternalPage: "外部页面",
+  hsPureDocument: "平台文档",
+  hsEpDocument: "Element Plus文档"
 };