docs: add RedShy as a contributor for question (#507)

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

.all-contributorsrc

@@ -512,7 +512,8 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/24901693?v=4",
       "profile": "https://github.com/RedShy",
       "contributions": [
-        "code"
+        "code",
+        "question"
       ]
     },
     {

README.md

@@ -179,7 +179,7 @@ This library could only exist thanks to the dedication of many volunteers around
   </tr>
   <tr>
     <td align="center"><a href="https://github.com/mtkumar123"><img src="https://avatars.githubusercontent.com/u/89176219?v=4?s=100" width="100px;" alt=""/><br /><sub><b>mtkumar123</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/commits?author=mtkumar123" title="Code">💻</a></td>
-    <td align="center"><a href="https://github.com/RedShy"><img src="https://avatars.githubusercontent.com/u/24901693?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Davide Consalvo</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/commits?author=RedShy" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/RedShy"><img src="https://avatars.githubusercontent.com/u/24901693?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Davide Consalvo</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/commits?author=RedShy" title="Code">💻</a> <a href="#question-RedShy" title="Answering Questions">💬</a></td>
     <td align="center"><a href="http://blog.whatgeek.com.pt"><img src="https://avatars.githubusercontent.com/u/2813722?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Bruno Santos</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/issues?q=author%3Afeiticeir0" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://github.com/cgkoutzigiannis"><img src="https://avatars.githubusercontent.com/u/41803093?v=4?s=100" width="100px;" alt=""/><br /><sub><b>cgkoutzigiannis</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/commits?author=cgkoutzigiannis" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://github.com/iwayankurniawan"><img src="https://avatars.githubusercontent.com/u/30134645?v=4?s=100" width="100px;" alt=""/><br /><sub><b>I Wayan Kurniawan</b></sub></a><br /><a href="https://github.com/PyFPDF/fpdf2/commits?author=iwayankurniawan" title="Documentation">📖</a></td>