docs: add NBTX as a contributor (#248)

docs: add NBTX as a contributor

Co-authored-by: null <46447321+allcontributors[bot]@users.noreply.github.com>

.all-contributorsrc

@@ -13,6 +13,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "NBTX",
+      "name": "John Harker",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/43181178?v=4",
+      "profile": "https://github.com/NBTX",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -1,5 +1,5 @@
 <div align="center">
-[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-2-orange.svg?style=flat-square)](#contributors)
   <a href="https://postwoman.io"><img src="static/logo.png" alt="Postwoman.io logo" height="160"></a>
   <br>
   <br>
@@ -254,6 +254,7 @@ See the [CHANGELOG](CHANGELOG.md) file for details.
 <table>
   <tr>
     <td align="center"><a href="https://liyasthomas.web.app"><img src="https://avatars1.githubusercontent.com/u/10395817?v=4" width="100px;" alt="Liyas Thomas"/><br /><sub><b>Liyas Thomas</b></sub></a><br /><a href="https://github.com/liyasthomas/postwoman/commits?author=liyasthomas" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/NBTX"><img src="https://avatars3.githubusercontent.com/u/43181178?v=4" width="100px;" alt="John Harker"/><br /><sub><b>John Harker</b></sub></a><br /><a href="https://github.com/liyasthomas/postwoman/commits?author=NBTX" title="Code">💻</a></td>
   </tr>
 </table>