feat: site languages, setup and site URL settings

internal/domain/article/articleRepositoryInterface.go

@@ -106,4 +106,5 @@ type Repository interface {
 	ClearImage(imageID uint32) (ImageReferences, error)
 	RestoreImage(references ImageReferences, imageID uint32) error
 	RepointImage(fromImageIDs []uint32, toImageID uint32) ([]uint32, error)
+	AssignUnassignedLanguage(siteID uint32, lang string) (int, error)
 }