fix: auth flow fixed, add getOrCreate method for user

internal/app/app.go

@@ -4,6 +4,7 @@ import (
 	"backend/config"
 	"backend/internal/repository/cache"
 	"backend/internal/repository/storage"
+	"backend/internal/repository/storage/types"
 	"backend/internal/usecase"
 	cachePackage "backend/pkg/cache"
 	"backend/pkg/postgres"
@@ -32,6 +33,7 @@ func NewAppContainer(cfg config.Config) (*AppContainer, error) {
 	if err != nil {
 		return nil, fmt.Errorf("failed to connect to database: %w", err)
 	}
+	dbConn.AutoMigrate(&types.User{})
 
 	redis, err := cachePackage.NewRedis(cfg.Redis)
 	if err != nil {