add whoisltd as a contributor for bug, and code (#1295)

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

.all-contributorsrc

@@ -1317,6 +1317,16 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "whoisltd",
+      "name": "Dat Le",
+      "avatar_url": "https://avatars.githubusercontent.com/u/41822445?v=4",
+      "profile": "https://linktr.ee/whoisltd",
+      "contributions": [
+        "bug",
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -300,6 +300,7 @@ This library could only exist thanks to the dedication of many volunteers around
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/Benoite142"><img src="https://avatars.githubusercontent.com/u/151671747?v=4?s=100" width="100px;" alt="Benoit Charbonneau"/><br /><sub><b>Benoit Charbonneau</b></sub></a><br /><a href="#ideas-Benoite142" title="Ideas, Planning, & Feedback">🤔</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/philj56"><img src="https://avatars.githubusercontent.com/u/13610623?v=4?s=100" width="100px;" alt="Philip Jones"/><br /><sub><b>Philip Jones</b></sub></a><br /><a href="https://github.com/py-pdf/fpdf2/issues?q=author%3Aphilj56" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/opposss"><img src="https://avatars.githubusercontent.com/u/120234749?v=4?s=100" width="100px;" alt="opposss"/><br /><sub><b>opposss</b></sub></a><br /><a href="https://github.com/py-pdf/fpdf2/commits?author=opposss" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://linktr.ee/whoisltd"><img src="https://avatars.githubusercontent.com/u/41822445?v=4?s=100" width="100px;" alt="Dat Le"/><br /><sub><b>Dat Le</b></sub></a><br /><a href="https://github.com/py-pdf/fpdf2/issues?q=author%3Awhoisltd" title="Bug reports">🐛</a> <a href="https://github.com/py-pdf/fpdf2/commits?author=whoisltd" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>