Add Desktop Notifications

ui/src/reducers/settingsReducer.js

@@ -0,0 +1,18 @@
+import { SET_NOTIFICATIONS_STATE } from '../actions'
+
+const initialState = {
+  notifications: false,
+}
+
+export const settingsReducer = (previousState = initialState, payload) => {
+  const { type, data } = payload
+  switch (type) {
+    case SET_NOTIFICATIONS_STATE:
+      return {
+        ...previousState,
+        notifications: data
+      }
+    default:
+      return previousState
+  }
+}