react-native http network problems on ios request

1. Modify the `info.plist` in xcode

 

<key>NSAppTransportSecurity</key>	

<dict>
<-- 添加 Domain 忽略指定 url https 的请求 -->

  <key>NSExceptionDomains</key>

  <dict>
    <key>localhost</key>
    <dict>
      <key>NSExceptionAllowsInsecureHTTPLoads</key>
      <true/>
    </dict>
  </dict>

</dict>