doc: Adds future work to README

Author: NeedleInAJayStack

README.md

@@ -24,5 +24,7 @@ Contributions are very welcome! For details on how to develop this plugin, see t
 
 ## Continuing Work
 
+* [ ] Check variable support
+* [ ] Add alert support
 * [ ] Publish plugin
 * [ ] Consider enabling multi-point hisRead (through filters)