Begin move to redux

src/redux/reducers/mount_reducer.js

@@ -0,0 +1,10 @@
+import {createReducer} from 'redux-starter-kit';
+import {setBusy} from '../actions/mount_actions';
+
+export const mountReducer = createReducer({
+  MountsBusy: false,
+}, {
+  [setBusy]: (state, action) => {
+    return {...state, MountsBusy: action.payload};
+  }
+});