fix

internal/services/team_service/registration.go

@@ -21,12 +21,14 @@ var (
 	ErrRegistrationClosed = errors.New("Игра не найдена или регистрация уже закрыта")
 )
 
+// Registration contains data required to register a team.
 type Registration struct {
 	Name              string `json:"name"`
 	Email             string `json:"email"`
 	ParticipantsCount int32  `json:"participantsCount"`
 }
 
+// UnmarshalJSON decodes and normalizes registration data.
 func (r *Registration) UnmarshalJSON(data []byte) error {
 	var payload struct {
 		Name              string          `json:"name"`
@@ -63,6 +65,7 @@ func validCaptainEmail(email string) bool {
 	return err == nil && address.Address == email && len(email) <= 254
 }
 
+// Validate checks registration data.
 func (r *Registration) Validate() error {
 	r.Name = strings.TrimSpace(r.Name)
 	r.Email = strings.TrimSpace(r.Email)