docs: add Saphereye as a contributor for doc (#1874)

* docs: update README.md

* docs: update .all-contributorsrc

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -662,7 +662,8 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/59739923?v=4",
       "profile": "http://saphereye.github.io",
       "contributions": [
-        "code"
+        "code",
+        "doc"
       ]
     }
   ],

README.md

@@ -567,7 +567,7 @@ Thanks to all contributors:
     </tr>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="http://blog.lenhof.eu.org"><img src="https://avatars.githubusercontent.com/u/36410287?v=4?s=100" width="100px;" alt="Jean-Yves LENHOF"/><br /><sub><b>Jean-Yves LENHOF</b></sub></a><br /><a href="https://github.com/ClementTsang/bottom/commits?author=jylenhof" title="Documentation">📖</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="http://saphereye.github.io"><img src="https://avatars.githubusercontent.com/u/59739923?v=4?s=100" width="100px;" alt="Adarsh Das"/><br /><sub><b>Adarsh Das</b></sub></a><br /><a href="https://github.com/ClementTsang/bottom/commits?author=Saphereye" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://saphereye.github.io"><img src="https://avatars.githubusercontent.com/u/59739923?v=4?s=100" width="100px;" alt="Adarsh Das"/><br /><sub><b>Adarsh Das</b></sub></a><br /><a href="https://github.com/ClementTsang/bottom/commits?author=Saphereye" title="Code">💻</a> <a href="https://github.com/ClementTsang/bottom/commits?author=Saphereye" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>