Update cloud endpoint in mcp integration guides

Author: adityaoberai

src/routes/docs/tooling/mcp/claude/+page.markdoc

@@ -34,7 +34,7 @@ After opening the file, add the following info:
             "env": {
                 "APPWRITE_PROJECT_ID": "your-project-id",
                 "APPWRITE_API_KEY": "your-api-key",
-                "APPWRITE_ENDPOINT": "https://cloud.appwrite.io/v1" // Optional
+                "APPWRITE_ENDPOINT": "https://<REGION>.cloud.appwrite.io/v1"
             }
         }
     }

src/routes/docs/tooling/mcp/cursor/+page.markdoc

@@ -28,7 +28,7 @@ Open the **Cursor Settings** page, head to the **MCP** tab, and click on the **A
             "env": {
                 "APPWRITE_API_KEY": "<your-api-key>",
                 "APPWRITE_PROJECT_ID": "<your-project-id>",
-                "APPWRITE_ENDPOINT": "https://cloud.appwrite.io/v1" // Optional
+                "APPWRITE_ENDPOINT": "https://<REGION>.cloud.appwrite.io/v1"
             }
         }
     }

src/routes/docs/tooling/mcp/windsurf/+page.markdoc

@@ -33,7 +33,7 @@ Update the `mcp_config.json` file to include the following:
       "env": {
         "APPWRITE_PROJECT_ID": "your-project-id",
         "APPWRITE_API_KEY": "your-api-key",
-        "APPWRITE_ENDPOINT": "https://cloud.appwrite.io/v1" // Optional
+        "APPWRITE_ENDPOINT": "https://<REGION>.cloud.appwrite.io/v1"
       }
     }
   }