Add Alert Scheduling Options

brycec

Right now, the alerts in Domo have very limited scheduling options. It would be incredibly useful to add more scheduling options, similar to DataSet/DataFlow run schedules. Quarterly would be nice, like last day of the quarter. And a certain number of days after trigger. Currently, the options are very limiting and they cause behavior among users to either delete alerts and get annoyed by Domo, or not be often enough to be useful.