feat: 内容区添加全局Stretch配置，可自定义紧凑页面，轻松找到所需信息 (#968)

* chore: 页面添加stretch配置

types/global.d.ts

@@ -97,6 +97,7 @@ declare global {
     Weak?: boolean;
     HideTabs?: boolean;
     HideFooter?: boolean;
+    Stretch?: boolean | number;
     SidebarStatus?: boolean;
     EpThemeColor?: string;
     ShowLogo?: boolean;
@@ -177,6 +178,7 @@ declare global {
       showLogo?: boolean;
       showModel?: string;
       multiTagsCache?: boolean;
+      stretch?: boolean | number;
     };
     tags?: Array<any>;
   }