docs: add dten as a contributor for doc (#1029)

Author: allcontributors[bot]

.all-contributorsrc

@@ -1808,6 +1808,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "dten",
+      "name": "David Hewson",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1019038?v=4",
+      "profile": "https://github.com/dten",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -390,6 +390,7 @@ Thanks goes to these wonderful people
     <td align="center"><a href="https://github.com/clemp6r"><img src="https://avatars.githubusercontent.com/u/4757677?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Clément Plantier</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=clemp6r" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/pppp606"><img src="https://avatars.githubusercontent.com/u/7203958?v=4?s=100" width="100px;" alt=""/><br /><sub><b>pppp606</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=pppp606" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/bilouw"><img src="https://avatars.githubusercontent.com/u/7089641?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Bilou</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=bilouw" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/dten"><img src="https://avatars.githubusercontent.com/u/1019038?v=4?s=100" width="100px;" alt=""/><br /><sub><b>David Hewson</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=dten" title="Documentation">📖</a></td>
   </tr>
 </table>