chore(cra): fix relative paths in build outputs

facebook/create-react-app#165

Author: topheman

package.json

@@ -43,5 +43,6 @@
     "lint-staged": "^7.0.0",
     "npm-run-all": "^4.1.2",
     "prettier": "1.11.1"
-  }
+  },
+  "homepage": "."
 }