fix: update install to cursor link in README [DX-356] (#130)

Author: whitelisab

README.md

@@ -44,7 +44,7 @@ This MCP server provides a comprehensive set of tools for content management, al
 
 #### One-Click install
 
-[![Install MCP Server](https://cursor.com/deeplink/mcp-install-dark.svg)](https://cursor.com/install-mcp?name=contentful-mcp&config=eyJjb21tYW5kIjoibnB4IC15IEBjb250ZW50ZnVsL21jcC1zZXJ2ZXIiLCJlbnYiOnsiQ09OVEVOVEZVTF9NQU5BR0VNRU5UX0FDQ0VTU19UT0tFTiI6InlvdXItQ01BLXRva2VuIiwiU1BBQ0VfSUQiOiJ5b3VyLXNwYWNlLWlkIiwiRU5WSVJPTk1FTlRfSUQiOiJtYXN0ZXIiLCJDT05URU5URlVMX0hPU1QiOiJhcGkuY29udGVudGZ1bC5jb20iLCJOT0RFX0VOViI6InByb2R1Y3Rpb24ifX0%3D)
+[![Install MCP Server](https://cursor.com/deeplink/mcp-install-dark.svg)](https://cursor.com/en/install-mcp?name=contentful-mcp&config=eyJjb21tYW5kIjoibnB4IC15IEBjb250ZW50ZnVsL21jcC1zZXJ2ZXIiLCJlbnYiOnsiQ09OVEVOVEZVTF9NQU5BR0VNRU5UX0FDQ0VTU19UT0tFTiI6InlvdXItQ01BLXRva2VuIiwiU1BBQ0VfSUQiOiJ5b3VyLXNwYWNlLWlkIiwiRU5WSVJPTk1FTlRfSUQiOiJtYXN0ZXIiLCJDT05URU5URlVMX0hPU1QiOiJhcGkuY29udGVudGZ1bC5jb20ifX0%3D)
 
 _Note: This requires [Cursor](https://cursor.com/) to be installed. If the link doesn't work, try the manual installation below._