Update package.json of host to point to the right directory in the mono-repo

Author: kraenhansen

packages/host/package.json

@@ -6,7 +6,7 @@
   "repository": {
     "type": "git",
     "url": "git+https://github.com/callstackincubator/react-native-node-api.git",
-    "directory": "packages/react-native-node-api"
+    "directory": "packages/host"
   },
   "main": "dist/react-native/index.js",
   "type": "commonjs",