Added Register DTO

identity/dto/auth.go

@@ -8,3 +8,13 @@ type AuthLoginRequestDTO struct {
 type AuthLoginResponseDTO struct {
 	Token string `json:"jwt_token"`
 }
+
+type AuthRegisterRequestDTO struct {
+	Email    string `json:"email"`
+	Username string `json:"username"`
+	Password string `json:"password"`
+}
+
+type AuthRegisterResponseDTO struct {
+	ID string `json:"id"`
+}