docs: add Daniel-Kolev as a contributor for doc (testing-library#935)

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -1627,6 +1627,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "Daniel-Kolev",
+      "name": "Daniel Kolev",
+      "avatar_url": "https://avatars.githubusercontent.com/u/43587261?v=4",
+      "profile": "https://github.com/Daniel-Kolev",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -368,6 +368,7 @@ Thanks goes to these wonderful people
     <td align="center"><a href="https://andrewrosario.medium.com/"><img src="https://avatars.githubusercontent.com/u/21269337?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Andrew Rosário</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=andrewarosario" title="Documentation">📖</a></td>
     <td align="center"><a href="http://danielrb.dev"><img src="https://avatars.githubusercontent.com/u/12233785?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Daniel RB</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=brleinad" title="Documentation">📖</a></td>
     <td align="center"><a href="https://github.com/HonkingGoose"><img src="https://avatars.githubusercontent.com/u/34918129?v=4?s=100" width="100px;" alt=""/><br /><sub><b>HonkingGoose</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=HonkingGoose" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/Daniel-Kolev"><img src="https://avatars.githubusercontent.com/u/43587261?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Daniel Kolev</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=Daniel-Kolev" title="Documentation">📖</a></td>
   </tr>
 </table>