docs: add markehvn as a contributor for tool (#364)

Adds @markEHVN as a contributor for tool.

This was requested by JoshuaKGoldberg [in this
comment](#361 (comment))

---------

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

.all-contributorsrc

@@ -20,6 +20,15 @@
         "bug",
         "test"
       ]
+    },
+    {
+      "login": "markehvn",
+      "name": "markehvn",
+      "avatar_url": "https://avatars.githubusercontent.com/u/179693285?v=4",
+      "profile": "https://github.com/markEHVN",
+      "contributions": [
+        "tool"
+      ]
     }
   ],
   "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: 1" src="https://img.shields.io/badge/all_contributors-1-21bb42.svg" />
+<img alt="All Contributors: 2" src="https://img.shields.io/badge/all_contributors-2-21bb42.svg" />
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 <!-- prettier-ignore-end -->
 </a>
@@ -122,6 +122,7 @@ See:
   <tbody>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="http://www.joshuakgoldberg.com/"><img src="https://avatars.githubusercontent.com/u/3335181?v=4?s=100" width="100px;" alt="Josh Goldberg ✨"/><br /><sub><b>Josh Goldberg ✨</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/release-it-action/commits?author=JoshuaKGoldberg" title="Code">💻</a> <a href="#content-JoshuaKGoldberg" title="Content">🖋</a> <a href="https://github.com/JoshuaKGoldberg/release-it-action/commits?author=JoshuaKGoldberg" title="Documentation">📖</a> <a href="#ideas-JoshuaKGoldberg" title="Ideas, Planning, & Feedback">🤔</a> <a href="#infra-JoshuaKGoldberg" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#maintenance-JoshuaKGoldberg" title="Maintenance">🚧</a> <a href="#projectManagement-JoshuaKGoldberg" title="Project Management">📆</a> <a href="#tool-JoshuaKGoldberg" title="Tools">🔧</a> <a href="https://github.com/JoshuaKGoldberg/release-it-action/issues?q=author%3AJoshuaKGoldberg" title="Bug reports">🐛</a> <a href="https://github.com/JoshuaKGoldberg/release-it-action/commits?author=JoshuaKGoldberg" title="Tests">⚠️</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/markEHVN"><img src="https://avatars.githubusercontent.com/u/179693285?v=4?s=100" width="100px;" alt="markehvn"/><br /><sub><b>markehvn</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/release-it-action/commits?author=markehvn" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>