Add Fedex REST API rate and tracking functionality, to co-exist with Fedex WSDL

.all-contributorsrc

@@ -1476,6 +1476,15 @@
         "code"
       ]
     },
+    {
+      "login": "xqiu",
+      "name": "Xinyang Qiu",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1487053?v=4",
+      "profile": "https://github.com/xqiu",
+      "contributions": [
+        "code"
+      ]
+    },
     {
       "login": "bucha",
       "name": "Alexander Buch",

README.md

@@ -219,6 +219,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="5%"><a href="https://www.vianetz.com/"><img src="https://avatars.githubusercontent.com/u/26252058?v=4" loading="lazy" width="35" alt=""/><br /><sub><b>Christoph Massmann</b></sub></a></td>
       <td align="center" valign="top" width="5%"><a href="https://github.com/ragnese"><img src="https://avatars.githubusercontent.com/u/7927565?v=4" loading="lazy" width="35" alt=""/><br /><sub><b>Rob Agnese</b></sub></a></td>
       <td align="center" valign="top" width="5%"><a href="http://www.cartware.de"><img src="https://avatars.githubusercontent.com/u/1931120?v=4" loading="lazy" width="35" alt=""/><br /><sub><b>Alexander Buch</b></sub></a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/xqiu"><img src="https://avatars.githubusercontent.com/u/1487053?v=4" loading="lazy" width="100" alt=""/><br /><sub><b>Xinyang Qiu</b></sub></a></td>
     </tr>
   </tbody>
 </table>