build: peer dependency on zod v3

Author: PaulRBerg

package-lock.json

@@ -47,7 +47,8 @@
     "protocol"
   ],
   "peerDependencies": {
-    "@modelcontextprotocol/sdk": "^1.11.0"
+    "@modelcontextprotocol/sdk": "^1.11.0",
+    "zod": "3.x"
   },
   "dependencies": {
     "@types/prompts": "^2.4.9",