Fix contributor link of jollychang in README.rst (#405)

Author: sadikkuzu

README.rst

@@ -141,7 +141,7 @@ Project Contributors
     <table>
       <tbody>
         <tr>
-          <td align="center"><a href="https://github.com/aaltat"><img src="https://avatars.githubusercontent.com/u/64213?s=64&v=4&s=100" width="100px;" alt="William Zhang"/><br /><sub><b>William Zhang</b></sub></a><br /><a href="https://github.com/serhatbolsu/robotframework-appiumlibrary/commits?author=jollychang" title="Code">💻</a></td>
+          <td align="center"><a href="https://github.com/jollychang"><img src="https://avatars.githubusercontent.com/u/64213?s=64&v=4&s=100" width="100px;" alt="William Zhang"/><br /><sub><b>William Zhang</b></sub></a><br /><a href="https://github.com/serhatbolsu/robotframework-appiumlibrary/commits?author=jollychang" title="Code">💻</a></td>
           <td align="center"><a href="https://github.com/serhatbolsu"><img src="https://avatars.githubusercontent.com/u/7917050?v=4&s=100" width="100px;" alt="Serhat Bolsu"/><br /><sub><b>Serhat Bolsu</b></sub></a><br /><a href="https://github.com/serhatbolsu/robotframework-appiumlibrary/commits?author=serhatbolsu" title="Code">💻</a></td>
           <td align="center"><a href="https://github.com/yahman72"><img src="https://avatars.githubusercontent.com/u/8724383?s=64&v=4&s=100" width="100px;" alt="Jari Nurminen"/><br /><sub><b>Jari Nurminen</b></sub></a><br /><a href="https://github.com/serhatbolsu/robotframework-appiumlibrary/commits?author=yahman72" title="Code">💻</a></td>
           <td align="center"><a href="https://github.com/frankbp"><img src="https://avatars.githubusercontent.com/u/1422799?v=4&s=100" width="100px;" alt="Xie Lieping"/><br /><sub><b>Xie Lieping</b></sub></a><br /><a href="https://github.com/serhatbolsu/robotframework-appiumlibrary/commits?author=frankbp" title="Code">💻</a></td>
@@ -194,4 +194,4 @@ AppiumLibrary is modeled after (and forked from)  `appiumandroidlibrary <https:/
 .. _PyPI: https://pypi.org/project/robotframework-appiumlibrary/
 .. _Robot Framework installation instructions: https://github.com/robotframework/robotframework/blob/master/INSTALL.rst
 .. _Appium Driver Setup Guide: http://appium.io/docs/en/about-appium/getting-started/?lang=en
-.. _sample project: https://github.com/serhatbolsu/robotframework-appium-sample
+.. _sample project: https://github.com/serhatbolsu/robotframework-appium-sample