docs: Update alignment for MCP Hosts configuration images

Changed the alignment of the MCP Hosts configuration images from flex to center in both README and README_CN.

Author: JJ-H

README.md

@@ -55,7 +55,7 @@ mcp-gitee --version
 ```
 
 ### MCP Hosts Configuration
-<div style="display: flex; justify-content: center; gap: 15px;">
+<div align="center">
   <a href="docs/install/claude.md"><img src="docs/install/logos/Claude.jpg" style="border-radius: 0px" width=80 height=80 alt="Smart Clipboard Logo" width="200" href="docs/">a>
   <a href="docs/install/cursor.md"><img src="docs/install/logos/Cursor.jpg" width=80 height=80 alt="Smart Clipboard Logo" width="200" href="docs/">a>
   <a href="docs/install/cline.md"><img src="docs/install/logos/Cline.png" width=80 height=80 alt="Smart Clipboard Logo" width="200" href="docs/">a>

README_CN.md

@@ -56,7 +56,7 @@ mcp-gitee --version
 
 ### MCP Hosts 配置
 
-<div style="display: flex; justify-content: center; gap: 15px;">
+<div align="center">
   <a href="docs/install/claude.md"><img src="docs/install/logos/Claude.jpg" style="border-radius: 0px" width=80 height=80 alt="Smart Clipboard Logo" width="200" href="docs/">a>
   <a href="docs/install/cursor.md"><img src="docs/install/logos/Cursor.jpg" width=80 height=80 alt="Smart Clipboard Logo" width="200" href="docs/">a>
   <a href="docs/install/cline.md"><img src="docs/install/logos/Cline.png" width=80 height=80 alt="Smart Clipboard Logo" width="200" href="docs/">a>