Added endpoint for fetching server-side variables.

store/app.js

@@ -20,6 +20,7 @@ const initialState = {
   dashboard: getItem(DASHBOARD_CONFIG) || defaultDashboardConfig,
   shareToken: null,
   user: null,
+  config: null,
 };
 
 const store = create(() => ({ ...initialState }));
@@ -45,4 +46,8 @@ export function setDashboard(dashboard) {
   setItem(DASHBOARD_CONFIG, dashboard);
 }
 
+export function setConfig(config) {
+  store.setState({ config });
+}
+
 export default store;