docs: add @Deuchnord as a contributor

.all-contributorsrc

@@ -1,8 +1,24 @@
 {
-    "files": [
-        "CONTRIBUTORS.md"
-    ],
-    "contributorsPerLine": 5,
-    "contributorsSortAlphabetically": true,
-    "contributors": []
+  "projectName": "kosmorro",
+  "projectOwner": "Jérôme Deuchnord",
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "files": [
+    "CONTRIBUTORS.md"
+  ],
+  "imageSize": 100,
+  "commit": true,
+  "commitConvention": "angular",
+  "contributors": [
+    {
+      "login": "Deuchnord",
+      "name": "Jérôme Deuchnord",
+      "avatar_url": "https://avatars.githubusercontent.com/u/7600265?v=4",
+      "profile": "https://deuchnord.fr/",
+      "contributions": [
+        "code"
+      ]
+    }
+  ],
+  "contributorsPerLine": 7
 }

CONTRIBUTORS.md

@@ -0,0 +1,23 @@
+
+<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
+<!-- ALL-CONTRIBUTORS-BADGE:END -->
+## Contributors ✨
+
+Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
+
+<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+<!-- prettier-ignore-start -->
+<!-- markdownlint-disable -->
+<table>
+  <tr>
+    <td align="center"><a href="https://deuchnord.fr/"><img src="https://avatars.githubusercontent.com/u/7600265?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jérôme Deuchnord</b></sub></a><br /><a href="https://github.com/Jérôme Deuchnord/kosmorro/commits?author=Deuchnord" title="Code">💻</a></td>
+  </tr>
+</table>
+
+<!-- markdownlint-restore -->
+<!-- prettier-ignore-end -->
+
+<!-- ALL-CONTRIBUTORS-LIST:END -->
+
+This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!