feat: custom content type icons, built-in types, user lookup

internal/domain/user/userRepositoryInterface.go

@@ -7,6 +7,7 @@ type Repository interface {
 	GetByUsername(username string) (User, error)
 	GetByEmail(email string) (User, error)
 	GetAll() []User
+	FindByIDs(ids []uint32) ([]User, error)
 	Create(user User) (User, error)
 	Delete(id uint32) error
 	UpdateVerificationStatus(userId uint32, isVerified bool) (User, error)