发送通知的notificationRequest参数增加notificationManager.NotificationRequest类型

Signed-off-by: zyjhandsome <zyjhandsome@126.com>

zh-cn/application-dev/notification/notification-with-wantagent.md

@@ -96,7 +96,7 @@
 
    ```typescript
    // 构造NotificationRequest对象
-   let notificationRequest = {
+   let notificationRequest: notificationManager.NotificationRequest = {
        content: {
            contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
            normal: {

zh-cn/application-dev/notification/progress-bar-notification.md

@@ -45,7 +45,7 @@
 4. 构造进度条模板对象，并发布通知。
    
    ```ts
-   let notificationRequest = {
+   let notificationRequest: notificationManager.NotificationRequest = {
      id: 1,
      content: {
        contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,

zh-cn/application-dev/notification/text-notification.md

@@ -45,7 +45,7 @@
    - 普通文本类型通知由标题、文本内容和附加信息三个字段组成，其中标题和文本内容是必填字段，大小均需要小于200字节。
      
       ```ts
-      let notificationRequest = {
+      let notificationRequest: notificationManager.NotificationRequest = {
         id: 1,
         content: {
       	contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT, // 普通文本类型通知
@@ -71,7 +71,7 @@
    - 长文本类型通知继承了普通文本类型的字段，同时新增了长文本内容、内容概要和通知展开时的标题，其中长文本内容不超过1024字节，其他字段小于200字节。通知默认显示与普通文本相同，展开后，标题显示为展开后标题内容，内容为长文本内容。
      
       ```ts
-      let notificationRequest = {
+      let notificationRequest: notificationManager.NotificationRequest = {
         id: 1,
         content: {
       	contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_LONG_TEXT, // 长文本类型通知
@@ -101,7 +101,7 @@
    - 多行文本类型通知继承了普通文本类型的字段，同时新增了多行文本内容、内容概要和通知展开时的标题，其字段均小于200字节。通知默认显示与普通文本相同，展开后，标题显示为展开后标题内容，多行文本内容多行显示。
      
       ```ts
-      let notificationRequest = {
+      let notificationRequest: notificationManager.NotificationRequest = {
         id: 1,
         content: {
       	contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_MULTILINE, // 多行文本类型通知
@@ -131,7 +131,7 @@
      
       ```ts
       let notificationPicture: PixelMap = undefined; // 需要获取图片PixelMap信息
-      let notificationRequest = {
+      let notificationRequest: notificationManager.NotificationRequest = {
           id: 1,
           content: {
       	contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_PICTURE,

zh-cn/application-dev/reference/apis/js-apis-notificationManager.md

@@ -50,7 +50,7 @@ function publishCallback(err) {
     }
 }
 //通知Request对象
-let notificationRequest = {
+let notificationRequest: notificationManager.NotificationRequest = {
     id: 1,
     content: {
         contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
@@ -93,7 +93,7 @@ publish(request: NotificationRequest): Promise\<void\>
 
 ```ts
 // 通知Request对象
-let notificationRequest = {
+let notificationRequest: notificationManager.NotificationRequest = {
     notificationId: 1,
     content: {
         contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
@@ -156,7 +156,7 @@ function publishCallback(err) {
 // 用户ID
 let userId = 1;
 // 通知Request对象
-let notificationRequest = {
+let notificationRequest: notificationManager.NotificationRequest = {
     id: 1,
     content: {
         contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,
@@ -204,7 +204,7 @@ publish(request: NotificationRequest, userId: number): Promise\<void\>
 **示例：**
 
 ```ts
-let notificationRequest = {
+let notificationRequest: notificationManager.NotificationRequest = {
     notificationId: 1,
     content: {
         contentType: notificationManager.ContentType.NOTIFICATION_CONTENT_BASIC_TEXT,