docs: add Mahhheshh as a contributor for maintenance (#621)

.all-contributorsrc

@@ -51,7 +51,8 @@
       "profile": "https://github.com/Mahhheshh",
       "contributions": [
         "doc",
-        "code"
+        "code",
+        "maintenance"
       ]
     },
     {

README.md

@@ -60,7 +60,7 @@ Check out the [Getting Started](https://render-engine.readthedocs.io/en/latest/p
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/jlgimeno"><img src="https://avatars.githubusercontent.com/u/17421585?v=4?s=57" width="57px;" alt="Jorge L. Gimeno"/><br /><sub><b>Jorge L. Gimeno</b></sub></a><br /><a href="https://github.com/render-engine/render-engine/commits?author=jlgimeno" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://lauralangdon.io"><img src="https://avatars.githubusercontent.com/u/48335772?v=4?s=57" width="57px;" alt="Laura Langdon"/><br /><sub><b>Laura Langdon</b></sub></a><br /><a href="https://github.com/render-engine/render-engine/commits?author=LauraLangdon" title="Documentation">📖</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/Mahhheshh"><img src="https://avatars.githubusercontent.com/u/100200105?v=4?s=57" width="57px;" alt="Mahhheshh"/><br /><sub><b>Mahhheshh</b></sub></a><br /><a href="https://github.com/render-engine/render-engine/commits?author=Mahhheshh" title="Documentation">📖</a> <a href="https://github.com/render-engine/render-engine/commits?author=Mahhheshh" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/Mahhheshh"><img src="https://avatars.githubusercontent.com/u/100200105?v=4?s=57" width="57px;" alt="Mahhheshh"/><br /><sub><b>Mahhheshh</b></sub></a><br /><a href="https://github.com/render-engine/render-engine/commits?author=Mahhheshh" title="Documentation">📖</a> <a href="https://github.com/render-engine/render-engine/commits?author=Mahhheshh" title="Code">💻</a> <a href="#maintenance-Mahhheshh" title="Maintenance">🚧</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://www.pythonbynight.com"><img src="https://avatars.githubusercontent.com/u/46942991?v=4?s=57" width="57px;" alt="Mario Munoz"/><br /><sub><b>Mario Munoz</b></sub></a><br /><a href="https://github.com/render-engine/render-engine/commits?author=tataraba" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/MohitKambli"><img src="https://avatars.githubusercontent.com/u/31406633?v=4?s=57" width="57px;" alt="Mohit Kambli"/><br /><sub><b>Mohit Kambli</b></sub></a><br /><a href="#infra-MohitKambli" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://www.pamelafox.org"><img src="https://avatars.githubusercontent.com/u/297042?v=4?s=57" width="57px;" alt="Pamela Fox"/><br /><sub><b>Pamela Fox</b></sub></a><br /><a href="https://github.com/render-engine/render-engine/commits?author=pamelafox" title="Documentation">📖</a></td>