Add missing comma (#30)

Author: jakubno

packages/js/package.json

@@ -4,7 +4,7 @@
   "description": "A Model Context Protocol server",
   "repository": {
     "type": "git",
-    "url": "https://github.com/e2b-dev/mcp-server"
+    "url": "https://github.com/e2b-dev/mcp-server",
     "directory": "packages/js"
   },
   "type": "module",