Added UserId to participant model

models/participant.go

@@ -17,6 +17,7 @@ type DBParticipant struct {
 	Name                             *string `gorm:"index"`
 	Purpose                          *string `gorm:"index"`
 	QueueId                          *string
+	UserId                           *string
 	Wrapup                           *string `gorm:"type:json"`
 	WrapupExpected                   *bool
 	WrapupRequired                   *bool