Offline mode (#403)

* offline mode

* fixes, mixpanels, etc

* changes

* prettier

* rev

* actions

theseus_gui/src/helpers/utils.js

@@ -77,3 +77,12 @@ export const openLink = (url) => {
     },
   })
 }
+
+export const refreshOffline = async () => {
+  return await invoke('plugin:utils|refresh_offline', {})
+}
+
+// returns true/false
+export const isOffline = async () => {
+  return await invoke('plugin:utils|is_offline', {})
+}