update docs/_sidebar.md.

docs/_sidebar.md

@@ -34,9 +34,15 @@
 * App打包配置
   * [图标](app-icons.md)
   * [启动界面](app-splashscreen.md)
-  * 功能模块
+  * [功能模块](app-modules.md)
     * [Geolocation(定位)](app-geolocation.md)
     * [Payment(支付)](app-payment.md)
+      * [Apple应用内支付](app-payment-aip.md)
+      * [支付宝支付](app-payment-alipay.md)
+      * [微信支付](app-payment-weixin.md)
+      * [Paypal支付](app-payment-paypal.md)
+      * [Stripe支付](app-payment-stripe.md)
+      * [Google支付](app-payment-google.md)
 * App上架指南
   * [国内应用市场上架](android-store.md)
   * [未同意隐私政策模式运行](app-disagreemode.md)