Add appConfig reducer for autoRefresh

ui/src/shared/reducers/appConfig.js

@@ -0,0 +1,16 @@
+const initialState = {
+  autoRefreshMs: 15000,
+};
+
+export default function appConfig(state = initialState, action) {
+  switch (action.type) {
+    case 'SET_AUTOREFRESH': {
+      return {
+        ...state,
+        autoRefreshMs: action.payload,
+      }
+    }
+  }
+
+  return state
+}

ui/src/shared/reducers/index.js

@@ -1,4 +1,5 @@
 import appUI from './ui';
+import appConfig from './appConfig';
 import me from './me';
 import auth from './auth';
 import notifications from './notifications';
@@ -6,6 +7,7 @@ import sources from './sources';
 
 export {
   appUI,
+  appConfig,
   me,
   auth,
   notifications,