Feature: links zoom_url in match messages

[thechutrain]

Summary We are now storing zoom_url in our Users table so we can offer a link to a zoom room for coffee chats.

• created a cron job that updates the zoom url in User table. It fetches users at RC, if they're in our db, we update whatever the zoom_url is in our db (cache of rc data)
• we randomly select the zoom url of all choices and include this in the match message. If no one has a zoom url, we send a message to coordinate and update their zoom url in their settings profile.

Paired on this with james

Note: Need to run a migration on the prod data data/migrations/3_14_2020/adds_zoom_url.sql

[christalee]

In a recent match the Zoom URL was blank, I would suggest the random choice only choose from non-blank Zoom results.