Update README.md

Author: pphatdev

README.md

@@ -1,5 +1,5 @@
 <a href="https://github.com/pphatdev">
-<img align='middle' src="https://stats.pphat.top/stats?username=pphatdev&avatar_mode=radar&data_border_style=frame&data_border_frame=out&hide_title=false" style="width:100%"/>
+<img align='middle' src="https://stats.pphat.top/stats?username=pphatdev&size=medium&avatar_mode=radar&data_border_style=frame&data_border_frame=out&hide_title=false" style="width:100%"/>
 </a>
 
 <div align="center" style="margin-top: 20px;">