fix: rename server files with transport suffix

- com.paypal-mcp.json -> com.paypal-mcp-npx.json (id: com.paypal-mcp-npx)

Signed-off-by: Mohammod Al Amin Ashik <maa.ashik00@gmail.com>

Author: its-mash

servers/com.paypal-mcp.json servers/com.paypal-mcp-npx.jsonservers/com.paypal-mcp.json renamed to servers/com.paypal-mcp-npx.json

@@ -1,7 +1,7 @@
 {
   "$schema": "../schemas/server-definition.schema.json",
-  "id": "com.paypal-mcp",
-  "name": "PayPal",
+  "id": "com.paypal-mcp-npx",
+  "name": "PayPal (npx)",
   "alias": "paypal",
   "description": "Process payments, manage orders, create invoices, handle disputes, and manage products and subscriptions through the PayPal API.",
   "icon": "https://avatars.githubusercontent.com/u/476675?v=4",