Update homepage path

Author: pyjun01

package.json

@@ -12,7 +12,7 @@
     "reaect google map",
     "google map component"
   ],
-  "homepage": "https://github.com/pyjun01/react-google-map-wrapper#readme",
+  "homepage": "https://pyjun01.github.io/react-google-map-wrapper/",
   "bugs": {
     "url": "https://github.com/pyjun01/react-google-map-wrapper/issues"
   },