chore: npm pkg fix — normalize bin path

Author: BarisSozen

package.json

@@ -13,7 +13,7 @@
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "bin": {
-    "hashlock-mcp": "./dist/index.js"
+    "hashlock-mcp": "dist/index.js"
   },
   "files": [
     "dist",