docs: add mw75 as a contributor for code

.all-contributorsrc

@@ -0,0 +1,25 @@
+{
+  "files": [
+    "README.md"
+  ],
+  "imageSize": 100,
+  "commit": false,
+  "commitConvention": "angular",
+  "contributors": [
+    {
+      "login": "mw75",
+      "name": "mw75",
+      "avatar_url": "https://avatars.githubusercontent.com/u/6930288?v=4",
+      "profile": "https://github.com/mw75",
+      "contributions": [
+        "code"
+      ]
+    }
+  ],
+  "contributorsPerLine": 7,
+  "skipCi": true,
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "projectName": "task-spooler",
+  "projectOwner": "justanhduc"
+}

README.md

@@ -1,4 +1,7 @@
 # GPU Task Spooler
+<!-- 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 -->
 
 ![github-action](https://github.com/justanhduc/task-spooler/actions/workflows/build.yml/badge.svg)
 
@@ -183,3 +186,25 @@ Memory checks with [Valgrind](https://valgrind.org/).
 ## Related projects
 
 [Messenger](https://github.com/justanhduc/messenger)
+
+## 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>
+  <tbody>
+    <tr>
+      <td align="center"><a href="https://github.com/mw75"><img src="https://avatars.githubusercontent.com/u/6930288?v=4?s=100" width="100px;" alt="mw75"/><br /><sub><b>mw75</b></sub></a><br /><a href="https://github.com/justanhduc/task-spooler/commits?author=mw75" title="Code">💻</a></td>
+    </tr>
+  </tbody>
+</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!