docs: add schragge as a contributor for doc (#955)

* docs: update README.md [skip ci]

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

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>
Co-authored-by: John Kerl <kerl.john.r@gmail.com>

.all-contributorsrc

@@ -372,6 +372,15 @@
         "bug"
       ]
     },
+    {
+      "login": "schragge",
+      "name": "schragge",
+      "avatar_url": "https://avatars.githubusercontent.com/u/4294278?v=4",
+      "profile": "https://github.com/schragge",
+      "contributions": [
+        "doc"
+      ]
+    },
     {
       "login": "Poshi",
       "name": "Jordi",

README.md

@@ -238,6 +238,7 @@ Thanks to all the fine people who help make Miller better ([emoji key](https://a
     <td align="center"><a href="https://github.com/ChCyrill"><img src="https://avatars.githubusercontent.com/u/2165604?v=4?s=50" width="50px;" alt=""/><br /><sub><b>ChCyrill</b></sub></a><br /><a href="#ideas-ChCyrill" title="Ideas, Planning, & Feedback">🤔</a></td>
     <td align="center"><a href="https://github.com/jauderho"><img src="https://avatars.githubusercontent.com/u/13562?v=4?s=50" width="50px;" alt=""/><br /><sub><b>Jauder Ho</b></sub></a><br /><a href="https://github.com/johnkerl/miller/commits?author=jauderho" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/psacawa"><img src="https://avatars.githubusercontent.com/u/21274063?v=4?s=50" width="50px;" alt=""/><br /><sub><b>Paweł Sacawa</b></sub></a><br /><a href="https://github.com/johnkerl/miller/issues?q=author%3Apsacawa" title="Bug reports">🐛</a></td>
+    <td align="center"><a href="https://github.com/schragge"><img src="https://avatars.githubusercontent.com/u/4294278?v=4?s=50" width="50px;" alt=""/><br /><sub><b>schragge</b></sub></a><br /><a href="https://github.com/johnkerl/miller/commits?author=schragge" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/Poshi"><img src="https://avatars.githubusercontent.com/u/1780510?v=4?s=50" width="50px;" alt=""/><br /><sub><b>Jordi</b></sub></a><br /><a href="https://github.com/johnkerl/miller/commits?author=Poshi" title="Documentation">📖</a> <a href="#ideas-Poshi" title="Ideas, Planning, & Feedback">🤔</a></td>
   </tr>
 </table>