Add languageDirection to language configuration

Fixes #6550

langs/config.go

@@ -185,6 +185,8 @@ func toSortedLanguages(cfg config.Provider, l map[string]interface{}) (Languages
 				language.Title = cast.ToString(v)
 			case "languagename":
 				language.LanguageName = cast.ToString(v)
+			case "languagedirection":
+				language.LanguageDirection = cast.ToString(v)
 			case "weight":
 				language.Weight = cast.ToInt(v)
 			case "contentdir":

langs/language.go

@@ -41,10 +41,11 @@ var globalOnlySettings = map[string]bool{
 
 // Language manages specific-language configuration.
 type Language struct {
-	Lang         string
-	LanguageName string
-	Title        string
-	Weight       int
+	Lang              string
+	LanguageName      string
+	LanguageDirection string
+	Title             string
+	Weight            int
 
 	Disabled bool