add media service

internal/application/dto/media.go

@@ -0,0 +1,21 @@
+package dto
+
+type UploadMediaRequest struct {
+	OriginalName string
+	Mode         string
+	Data         []byte
+}
+
+type UploadMediaResponse struct {
+	FileName string
+	Size     int64
+}
+
+type GetUrlRequest struct {
+	FileName string
+	IsPublic bool
+}
+
+type GetUrlResponse struct {
+	URL string
+}