refac: decouple persistence and image storage behind driver registries

internal/domain/image/imageDomain.go

@@ -191,6 +191,15 @@ type ImageInput struct {
 	UploadedByID uint32
 }
 
+type Metadata struct {
+	Filename    string
+	Size        int64
+	ContentType string
+	Width       int
+	Height      int
+	SHA256      string
+}
+
 type Image struct {
 	ID           uint32    `json:"id"`
 	Path         string    `json:"path"`