Initial move to redux

common/app/create-reducer.js

@@ -0,0 +1,12 @@
+import { combineReducers } from 'redux';
+
+import { reducer as app } from './redux';
+import { reducer as hikesApp } from './routes/Hikes/redux';
+
+export default function createReducer(sideReducers = {}) {
+  return combineReducers({
+    ...sideReducers,
+    app,
+    hikesApp
+  });
+}