docs: add john-sandall as a contributor for content (#40)

* docs: update README.md

* docs: update .all-contributorsrc

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -9,6 +9,14 @@
   "contributorsPerLine": 7,
   "contributors": [
     {
+
+      "login": "john-sandall",
+      "name": "John Sandall",
+      "avatar_url": "https://avatars.githubusercontent.com/u/2884159?v=4",
+      "profile": "https://coefficient.ai",
+      "contributions": [
+        "content"
+      ],
       "login": "JesperDramsch",
       "name": "Jesper Dramsch",
       "avatar_url": "https://avatars.githubusercontent.com/u/2620316?v=4",

README.md

@@ -138,6 +138,7 @@ I mainly run the `main.py` and `sort_yaml.py` to get new entries and move old en
 <table>
   <tbody>
     <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://coefficient.ai"><img src="https://avatars.githubusercontent.com/u/2884159?v=4?s=100" width="100px;" alt="John Sandall"/><br /><sub><b>John Sandall</b></sub></a><br /><a href="#content-john-sandall" title="Content">🖋</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://dramsch.net"><img src="https://avatars.githubusercontent.com/u/2620316?v=4?s=100" width="100px;" alt="Jesper Dramsch"/><br /><sub><b>Jesper Dramsch</b></sub></a><br /><a href="#a11y-JesperDramsch" title="Accessibility">️️️️♿️</a> <a href="#bug-JesperDramsch" title="Bug reports">🐛</a> <a href="#blog-JesperDramsch" title="Blogposts">📝</a> <a href="#code-JesperDramsch" title="Code">💻</a> <a href="#content-JesperDramsch" title="Content">🖋</a> <a href="#doc-JesperDramsch" title="Documentation">📖</a> <a href="#design-JesperDramsch" title="Design">🎨</a> <a href="#financial-JesperDramsch" title="Financial">💵</a> <a href="#ideas-JesperDramsch" title="Ideas, Planning, & Feedback">🤔</a> <a href="#infra-JesperDramsch" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="#promotion-JesperDramsch" title="Promotion">📣</a> <a href="#review-JesperDramsch" title="Reviewed Pull Requests">👀</a> <a href="#security-JesperDramsch" title="Security">🛡️</a> <a href="#tool-JesperDramsch" title="Tools">🔧</a> <a href="#translation-JesperDramsch" title="Translation">🌍</a> <a href="#talk-JesperDramsch" title="Talks">📢</a></td>
     </tr>
   </tbody>