Add website, blog, and remotes fields to server.json

Add blog link (https://buywhere.ai/blog) for MCP directory discoverability.
Also adds website URL and streamable-http remote endpoint configuration.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

Author: BuyWhere

server.json

@@ -3,6 +3,8 @@
   "name": "io.github.BuyWhere/buywhere-mcp",
   "title": "BuyWhere — AI Product Search API",
   "description": "Product search API for AI agents via MCP. Search 11M+ products across 3,700+ retailers in SG, US, MY, VN, TH. Real-time pricing, price comparison, and deal discovery. Built for AI agent commerce, not store management.",
+  "website": "https://buywhere.ai",
+  "blog": "https://buywhere.ai/blog",
   "repository": {
     "url": "https://github.com/BuyWhere/buywhere-mcp",
     "source": "github"
@@ -33,5 +35,18 @@
         }
       ]
     }
+  ],
+  "remotes": [
+    {
+      "type": "streamable-http",
+      "url": "https://api.buywhere.ai/mcp",
+      "headers": [
+        {
+          "name": "Authorization",
+          "description": "Authorization header with Bearer token",
+          "isSecret": true
+        }
+      ]
+    }
   ]
 }