docs: add @MarinPostma as a contributor

.all-contributorsrc

@@ -759,6 +759,15 @@
       "contributions": [
         "maintenance"
       ]
+    },
+    {
+      "login": "MarinPostma",
+      "name": "marin",
+      "avatar_url": "https://avatars.githubusercontent.com/u/28804882?v=4",
+      "profile": "https://github.com/MarinPostma",
+      "contributions": [
+        "maintenance"
+      ]
     }
   ],
   "contributorsPerLine": 7,

CONTRIBUTORS.md

@@ -110,6 +110,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tr>
     <td align="center"><a href="https://github.com/dcoppa"><img src="https://avatars.githubusercontent.com/u/1073526?v=4?s=100" width="100px;" alt=""/><br /><sub><b>dcoppa</b></sub></a><br /><a href="https://github.com/Spotifyd/spotifyd/commits?author=dcoppa" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/dimlev"><img src="https://avatars.githubusercontent.com/u/1188269?v=4?s=100" width="100px;" alt=""/><br /><sub><b>dimlev</b></sub></a><br /><a href="https://github.com/Spotifyd/spotifyd/commits?author=dimlev" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/MarinPostma"><img src="https://avatars.githubusercontent.com/u/28804882?v=4?s=100" width="100px;" alt=""/><br /><sub><b>marin</b></sub></a><br /><a href="#maintenance-MarinPostma" title="Maintenance">🚧</a></td>
     <td align="center"><a href="https://tommady.com/"><img src="https://avatars.githubusercontent.com/u/11532828?v=4?s=100" width="100px;" alt=""/><br /><sub><b>tommady</b></sub></a><br /><a href="https://github.com/Spotifyd/spotifyd/commits?author=tommady" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/zv0n"><img src="https://avatars.githubusercontent.com/u/17143863?v=4?s=100" width="100px;" alt=""/><br /><sub><b>zv0n</b></sub></a><br /><a href="https://github.com/Spotifyd/spotifyd/commits?author=zv0n" title="Code">💻</a></td>
   </tr>

README.md

@@ -1,6 +1,6 @@
 # Spotifyd <!-- omit in toc -->
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-81-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-82-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 [![Cargo Downloads](https://img.shields.io/crates/d/spotifyd)](https://crates.io/crates/spotifyd)