add nodes into readme

Signed-off-by: NRayShih <shirui721@huawei.com>

zh-cn/application-dev/reference/apis/Readme-CN.md

@@ -16,6 +16,8 @@
     - [@ohos.app.ability.ServiceExtensionAbility (ServiceExtensionAbility)](js-apis-app-ability-serviceExtensionAbility.md)
     - [@ohos.app.ability.StartOptions (StartOptions)](js-apis-app-ability-startOptions.md)
     - [@ohos.app.ability.UIAbility (UIAbility)](js-apis-app-ability-uiAbility.md)
+    - [@ohos.app.ability.UIExtensionAbility (带界面扩展能力基类)](js-apis-app-ability-uiExtensionAbility.md)
+    - [@ohos.app.ability.UIExtensionContentSession (带界面扩展能力界面操作类)](js-apis-app-ability-uiExtensionContentSession.md)
     - [@ohos.app.form.FormExtensionAbility (FormExtensionAbility)](js-apis-app-form-formExtensionAbility.md)
     - [@ohos.application.DataShareExtensionAbility (数据共享扩展能力)](js-apis-application-dataShareExtensionAbility.md)
     - [@ohos.application.StaticSubscriberExtensionAbility (StaticSubscriberExtensionAbility)](js-apis-application-staticSubscriberExtensionAbility.md)
@@ -42,8 +44,9 @@
     - [@ohos.app.form.formBindingData (卡片数据绑定类)](js-apis-app-form-formBindingData.md)
     - [@ohos.app.form.formHost (FormHost)](js-apis-app-form-formHost.md)
     - [@ohos.app.form.formInfo (FormInfo)](js-apis-app-form-formInfo.md)
+    - [@ohos.app.form.formObserver (formObserver)](js-apis-app-form-formObserver.md)
     - [@ohos.app.form.formProvider (FormProvider)](js-apis-app-form-formProvider.md)
-    - [@ohos.application.uriPermissionManager(URI权限管理)](js-apis-uripermissionmanager.md)
+    - [@ohos.application.uriPermissionManager (URI权限管理)](js-apis-uripermissionmanager.md)
   - 通用能力的接口(待停用)
     - [@ohos.ability.dataUriUtils (DataUriUtils模块)](js-apis-ability-dataUriUtils.md)
     - [@ohos.ability.errorCode (ErrorCode)](js-apis-ability-errorCode.md)
@@ -106,6 +109,7 @@
       - [ProcessInformation](js-apis-inner-application-processInformation.md)
       - [ServiceExtensionContext](js-apis-inner-application-serviceExtensionContext.md)
       - [UIAbilityContext](js-apis-inner-application-uiAbilityContext.md)
+      - [UIExtensionContext](js-apis-inner-application-uiExtensionContext.md)
       - [shellCmdResult](js-apis-inner-application-shellCmdResult.md)
       - [WindowExtensionContext](js-apis-inner-application-windowExtensionContext.md)
     - wantAgent