add conference options to the broadcasts; implement auth to microsoft

db/migrate/20200820081524_add_conference_details_to_broadcasts.rb

@@ -0,0 +1,6 @@
+class AddConferenceDetailsToBroadcasts < ActiveRecord::Migration[6.0]
+  def change
+    add_column :broadcasts, :conference_option, :string
+    add_column :broadcasts, :conference_join_url, :string
+  end
+end