docs: add sasial-dev as a contributor for code (#669)

Adds @sasial-dev as a contributor for code.

This was requested by JoshuaKGoldberg [in this
comment](#668 (comment))

---------

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

.all-contributorsrc

@@ -204,6 +204,15 @@
         "tool",
         "doc"
       ]
+    },
+    {
+      "login": "sasial-dev",
+      "name": "Sasial",
+      "avatar_url": "https://avatars.githubusercontent.com/u/44125644?v=4",
+      "profile": "https://sasial.dev",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -6,7 +6,7 @@
 	<a href="#contributors" target="_blank">
 <!-- prettier-ignore-start -->
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-<img alt="All Contributors: 20 👪" src="https://img.shields.io/badge/all_contributors-20_👪-21bb42.svg" />
+<img alt="All Contributors: 21 👪" src="https://img.shields.io/badge/all_contributors-21_👪-21bb42.svg" />
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 <!-- prettier-ignore-end -->
 </a>
@@ -171,6 +171,7 @@ Thanks! 💖
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/nschonni"><img src="https://avatars.githubusercontent.com/u/1297909?v=4?s=100" width="100px;" alt="Nick Schonning"/><br /><sub><b>Nick Schonning</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/commits?author=nschonni" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/rakleed"><img src="https://avatars.githubusercontent.com/u/19418601?v=4?s=100" width="100px;" alt="Pavel"/><br /><sub><b>Pavel</b></sub></a><br /><a href="#ideas-rakleed" title="Ideas, Planning, & Feedback">🤔</a> <a href="#tool-rakleed" title="Tools">🔧</a> <a href="https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/commits?author=rakleed" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://sasial.dev"><img src="https://avatars.githubusercontent.com/u/44125644?v=4?s=100" width="100px;" alt="Sasial"/><br /><sub><b>Sasial</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/commits?author=sasial-dev" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/sirugh"><img src="https://avatars.githubusercontent.com/u/1278869?v=4?s=100" width="100px;" alt="Stephen"/><br /><sub><b>Stephen</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/commits?author=sirugh" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://hyoban.cc"><img src="https://avatars.githubusercontent.com/u/38493346?v=4?s=100" width="100px;" alt="Stephen Zhou"/><br /><sub><b>Stephen Zhou</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/issues?q=author%3Ahyoban" title="Bug reports">🐛</a> <a href="https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/commits?author=hyoban" title="Code">💻</a> <a href="#ideas-hyoban" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/commits?author=hyoban" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://ota-meshi.github.io/"><img src="https://avatars.githubusercontent.com/u/16508807?v=4?s=100" width="100px;" alt="Yosuke Ota"/><br /><sub><b>Yosuke Ota</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/issues?q=author%3Aota-meshi" title="Bug reports">🐛</a> <a href="https://github.com/JoshuaKGoldberg/eslint-plugin-package-json/commits?author=ota-meshi" title="Code">💻</a></td>