add default reducer

Author: StephenGrider

src/reducers/index.js

@@ -1,5 +1,7 @@
 import { combineReducers } from 'redux';
 
-const rootReducer = combineReducers({});
+const rootReducer = combineReducers({
+  state: (state = {}) => state
+});
 
 export default rootReducer;