docs: add BBlackwo as a contributor (#401)

* 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

@@ -558,6 +558,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "BBlackwo",
+      "name": "Benjamin Blackwood",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/7598058?v=4",
+      "profile": "https://twitter.com/B_Blackwo",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -112,6 +112,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/Billy-"><img src="https://avatars2.githubusercontent.com/u/4316168?v=4" width="100px;" alt=""/><br /><sub><b>Billy Matthews</b></sub></a><br /><a href="#talk-Billy-" title="Talks">📢</a> <a href="https://github.com/testing-library/testing-library-docs/commits?author=Billy-" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/dale-french"><img src="https://avatars3.githubusercontent.com/u/6544116?v=4" width="100px;" alt=""/><br /><sub><b>Dale French</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=dale-french" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/aw-davidson"><img src="https://avatars2.githubusercontent.com/u/32170938?v=4" width="100px;" alt=""/><br /><sub><b>aw-davidson</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=aw-davidson" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://twitter.com/B_Blackwo"><img src="https://avatars0.githubusercontent.com/u/7598058?v=4" width="100px;" alt=""/><br /><sub><b>Benjamin Blackwood</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=BBlackwo" title="Documentation">📖</a></td>
   </tr>
 </table>