fix: Correct repository URL for providence from NPM (#49)

Signed-off-by: John McBride <[email protected]>

Author: jpmcb

package.json

@@ -85,7 +85,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/zuplo/mcp-sdk.git"
+    "url": "https://github.com/zuplo/mcp"
   },
   "author": "Zuplo, Inc.",
   "license": "MIT",