docs: add lookfirst as a contributor (#609)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -658,6 +658,16 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "lookfirst",
+      "name": "Jon Stevens",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/85355?v=4",
+      "profile": "https://brave.com/loo095",
+      "contributions": [
+        "doc",
+        "ideas"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -592,6 +592,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="http://joeflateau.net"><img src="https://avatars0.githubusercontent.com/u/643331?v=4" width="100px;" alt=""/><br /><sub><b>Joe Flateau</b></sub></a><br /><a href="https://github.com/jaredpalmer/tsdx/commits?author=joeflateau" title="Code">💻</a> <a href="https://github.com/jaredpalmer/tsdx/commits?author=joeflateau" title="Documentation">📖</a></td>
     <td align="center"><a href="http://goznauk.github.io"><img src="https://avatars0.githubusercontent.com/u/4438903?v=4" width="100px;" alt=""/><br /><sub><b>H.John Choi</b></sub></a><br /><a href="https://github.com/jaredpalmer/tsdx/commits?author=goznauk" title="Documentation">📖</a></td>
   </tr>
+  <tr>
+    <td align="center"><a href="https://brave.com/loo095"><img src="https://avatars0.githubusercontent.com/u/85355?v=4" width="100px;" alt=""/><br /><sub><b>Jon Stevens</b></sub></a><br /><a href="https://github.com/jaredpalmer/tsdx/commits?author=lookfirst" title="Documentation">📖</a> <a href="#ideas-lookfirst" title="Ideas, Planning, & Feedback">🤔</a></td>
+  </tr>
 </table>
 
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