Fix contributor avatar sizes: replace markdown table with HTML table (#88)

* Initial plan

* fix: use HTML table with equal-width cells for uniform contributor avatars

Co-authored-by: anxiangsir <31175974+anxiangsir@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: anxiangsir <31175974+anxiangsir@users.noreply.github.com>

Author: Copilot

README.md

@@ -479,9 +479,17 @@ For detailed usage, see the [LLaVA-Next README](llava_next/README.md).
 
 ## 👥 Contributors
 
-| <a href="https://github.com/anxiangsir"><img src="https://avatars.githubusercontent.com/anxiangsir?v=4&s=100" width="100" height="100" alt="anxiangsir"/></a> | <a href="https://github.com/FeilongTangmonash"><img src="https://avatars.githubusercontent.com/FeilongTangmonash?v=4&s=100" width="100" height="100" alt="FeilongTangmonash"/></a> | <a href="https://github.com/YunyaoYan"><img src="https://avatars.githubusercontent.com/YunyaoYan?v=4&s=100" width="100" height="100" alt="YunyaoYan"/></a> | <a href="https://github.com/yiyexy"><img src="https://avatars.githubusercontent.com/yiyexy?v=4&s=100" width="100" height="100" alt="yiyexy"/></a> | <a href="https://github.com/Luodian"><img src="https://avatars.githubusercontent.com/Luodian?v=4&s=100" width="100" height="100" alt="Luodian"/></a> | <a href="https://github.com/yshenaw"><img src="https://avatars.githubusercontent.com/yshenaw?v=4&s=100" width="100" height="100" alt="yshenaw"/></a> | <a href="https://github.com/jiankangdeng"><img src="https://avatars.githubusercontent.com/jiankangdeng?v=4&s=100" width="100" height="100" alt="jiankangdeng"/></a> |
-| :---: | :---: | :---: | :---: | :---: | :---: | :---: |
-| **[anxiangsir](https://github.com/anxiangsir)** | **[FeilongTangmonash](https://github.com/FeilongTangmonash)** | **[YunyaoYan](https://github.com/YunyaoYan)** | **[yiyexy](https://github.com/yiyexy)** | **[Luodian](https://github.com/Luodian)** | **[yshenaw](https://github.com/yshenaw)** | **[jiankangdeng](https://github.com/jiankangdeng)** |
+<table>
+  <tr>
+    <td align="center" width="14.28%"><a href="https://github.com/anxiangsir"><img src="https://avatars.githubusercontent.com/anxiangsir?v=4&s=100" width="100" height="100" alt="anxiangsir"/><br/><sub><b>anxiangsir</b></sub></a></td>
+    <td align="center" width="14.28%"><a href="https://github.com/FeilongTangmonash"><img src="https://avatars.githubusercontent.com/FeilongTangmonash?v=4&s=100" width="100" height="100" alt="FeilongTangmonash"/><br/><sub><b>FeilongTangmonash</b></sub></a></td>
+    <td align="center" width="14.28%"><a href="https://github.com/YunyaoYan"><img src="https://avatars.githubusercontent.com/YunyaoYan?v=4&s=100" width="100" height="100" alt="YunyaoYan"/><br/><sub><b>YunyaoYan</b></sub></a></td>
+    <td align="center" width="14.28%"><a href="https://github.com/yiyexy"><img src="https://avatars.githubusercontent.com/yiyexy?v=4&s=100" width="100" height="100" alt="yiyexy"/><br/><sub><b>yiyexy</b></sub></a></td>
+    <td align="center" width="14.28%"><a href="https://github.com/Luodian"><img src="https://avatars.githubusercontent.com/Luodian?v=4&s=100" width="100" height="100" alt="Luodian"/><br/><sub><b>Luodian</b></sub></a></td>
+    <td align="center" width="14.28%"><a href="https://github.com/yshenaw"><img src="https://avatars.githubusercontent.com/yshenaw?v=4&s=100" width="100" height="100" alt="yshenaw"/><br/><sub><b>yshenaw</b></sub></a></td>
+    <td align="center" width="14.28%"><a href="https://github.com/jiankangdeng"><img src="https://avatars.githubusercontent.com/jiankangdeng?v=4&s=100" width="100" height="100" alt="jiankangdeng"/><br/><sub><b>jiankangdeng</b></sub></a></td>
+  </tr>
+</table>
 
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