Adding bot description field to bot users. (#11066)

model/user.go

@@ -83,6 +83,7 @@ type User struct {
 	MfaSecret              string    `json:"mfa_secret,omitempty"`
 	LastActivityAt         int64     `db:"-" json:"last_activity_at,omitempty"`
 	IsBot                  bool      `db:"-" json:"is_bot,omitempty"`
+	BotDescription         string    `db:"-" json:"bot_description,omitempty"`
 	TermsOfServiceId       string    `db:"-" json:"terms_of_service_id,omitempty"`
 	TermsOfServiceCreateAt int64     `db:"-" json:"terms_of_service_create_at,omitempty"`
 }