refac: mappers, file names

internal/domain/image/imageDomain.go

@@ -0,0 +1,13 @@
+package image
+
+import (
+	"time"
+)
+
+type Image struct {
+	ID        uint32    `json:"id"`
+	Path      string    `json:"path"`
+	ArticleID uint32    `json:"article_id"`
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
+}