chore: add comments

packages/uni-app-plus/dist/uni-app-service.es.js

@@ -99,8 +99,8 @@ var serviceContext = (function (vue) {
           map[list[i]] = true;
       }
       return expectsLowerCase ? val => !!map[val.toLowerCase()] : val => !!map[val];
-  }
-
+  }
+
   (process.env.NODE_ENV !== 'production')
       ? Object.freeze({})
       : {};

packages/uni-h5/src/framework/setup/index.ts

@@ -82,7 +82,7 @@ export function setupPage(comp: any) {
     comp.__mpType = 'page'
   }
   return setupComponent(comp, {
-    clone: true,
+    clone: true, // 页面组件可能会被其他地方手动引用，比如 windows 等，需要 clone 一份新的作为页面组件
     init: initPage,
     setup(instance) {
       instance.root = instance // 组件 root 指向页面