添加文档互链

docs/_sidebar.md

@@ -18,6 +18,8 @@
   * [统一推送](unipush.md)
 	* [uni-push1.0](unipush-v1.md)
 	* [uni-push2.0](unipush-v2.md)
+		* [业务文档](unipush-v2.md)
+		* [开发文档](uniCloud/uni-cloud-push/api.md)
   * [uni统计](uni-stat.md)
     * [uni统计1.0](uni-stat-v1.md)
     * [uni统计2.0](uni-stat-v2.md)

docs/uniCloud/_sidebar.md

@@ -51,7 +51,8 @@
   * [费用说明](uniCloud/redis-buy.md)
   * [开发文档](uniCloud/redis.md)
 * Push扩展库
-  * [api接口](uniCloud/uni-cloud-push/api.md)
+  * [业务文档](unipush-v2.md)
+  * [开发文档](uniCloud/uni-cloud-push/api.md)
   * [扩展参数](uniCloud/uni-cloud-push/options.md)
 * [运行与调试](uniCloud/rundebug.md)
  <!-- * [日志输出](uniCloud/cf-logger.md) -->