add eroux as a contributor for question (#708)

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

.all-contributorsrc

@@ -811,7 +811,8 @@
       "contributions": [
         "bug",
         "ideas",
-        "code"
+        "code",
+        "question"
       ]
     }
   ],

README.md

@@ -228,7 +228,7 @@ 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/SfinxV"><img src="https://avatars.githubusercontent.com/u/122991252?v=4?s=100" width="100px;" alt="SfinxV"/><br /><sub><b>SfinxV</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/issues?q=author%3ASfinxV" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/bramantoleksono"><img src="https://avatars.githubusercontent.com/u/86646351?v=4?s=100" width="100px;" alt="bramantoleksono"/><br /><sub><b>bramantoleksono</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/issues?q=author%3Abramantoleksono" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/TheNerdy907"><img src="https://avatars.githubusercontent.com/u/51904226?v=4?s=100" width="100px;" alt="TheNerdy907"/><br /><sub><b>TheNerdy907</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/issues?q=author%3ATheNerdy907" title="Bug reports">🐛</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/eroux"><img src="https://avatars.githubusercontent.com/u/60868?v=4?s=100" width="100px;" alt="Elie Roux"/><br /><sub><b>Elie Roux</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/issues?q=author%3Aeroux" title="Bug reports">🐛</a> <a href="#ideas-eroux" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/PyFPDF/fpdf2/commits?author=eroux" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/eroux"><img src="https://avatars.githubusercontent.com/u/60868?v=4?s=100" width="100px;" alt="Elie Roux"/><br /><sub><b>Elie Roux</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/issues?q=author%3Aeroux" title="Bug reports">🐛</a> <a href="#ideas-eroux" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/PyFPDF/fpdf2/commits?author=eroux" title="Code">💻</a> <a href="#question-eroux" title="Answering Questions">💬</a></td>
     </tr>
   </tbody>
 </table>