docs: add promise-dash as a contributor for code (#467)

Adds @promise-dash as a contributor for code.

This was requested by JoshuaKGoldberg [in this
comment](#466 (comment))

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -185,6 +185,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "promise-dash",
+      "name": "Promise Dash",
+      "avatar_url": "https://avatars.githubusercontent.com/u/86062880?v=4",
+      "profile": "https://github.com/promise-dash",
+      "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: 19" src="https://img.shields.io/badge/all_contributors-19-21bb42.svg" />
+<img alt="All Contributors: 20" src="https://img.shields.io/badge/all_contributors-20-21bb42.svg" />
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 <!-- prettier-ignore-end -->
 	</a>
@@ -168,9 +168,10 @@ Thanks! 💖
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/NazCodeland"><img src="https://avatars.githubusercontent.com/u/113494366?v=4?s=100" width="100px;" alt="NazCodeland"/><br /><sub><b>NazCodeland</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=NazCodeland" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://orta.io"><img src="https://avatars.githubusercontent.com/u/49038?v=4?s=100" width="100px;" alt="Orta Therox"/><br /><sub><b>Orta Therox</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=orta" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://paulisaweso.me/"><img src="https://avatars.githubusercontent.com/u/6335792?v=4?s=100" width="100px;" alt="Paul Esch-Laurent"/><br /><sub><b>Paul Esch-Laurent</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=Pinjasaur" title="Code">💻</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/RebeccaStevens"><img src="https://avatars.githubusercontent.com/u/7224206?v=4?s=100" width="100px;" alt="Rebecca Stevens"/><br /><sub><b>Rebecca Stevens</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=RebeccaStevens" title="Code">💻</a> <a href="#infra-RebeccaStevens" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/promise-dash"><img src="https://avatars.githubusercontent.com/u/86062880?v=4?s=100" width="100px;" alt="Promise Dash"/><br /><sub><b>Promise Dash</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=promise-dash" title="Code">💻</a></td>
     </tr>
     <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/RebeccaStevens"><img src="https://avatars.githubusercontent.com/u/7224206?v=4?s=100" width="100px;" alt="Rebecca Stevens"/><br /><sub><b>Rebecca Stevens</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=RebeccaStevens" title="Code">💻</a> <a href="#infra-RebeccaStevens" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://linktr.ee/ronbraha"><img src="https://avatars.githubusercontent.com/u/45559220?v=4?s=100" width="100px;" alt="Ron Braha"/><br /><sub><b>Ron Braha</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=RNR1" title="Code">💻</a> <a href="#design-RNR1" title="Design">🎨</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://ronjeanfrancois.com"><img src="https://avatars.githubusercontent.com/u/105710107?v=4?s=100" width="100px;" alt="Ron Jean-Francois"/><br /><sub><b>Ron Jean-Francois</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=ronthetech" title="Code">💻</a> <a href="#infra-ronthetech" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/the-lazy-learner"><img src="https://avatars.githubusercontent.com/u/13695177?v=4?s=100" width="100px;" alt="Sudhansu"/><br /><sub><b>Sudhansu</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=the-lazy-learner" title="Code">💻</a></td>