Add Ukrainian as language (#9236)

And put the non-English term first

Co-authored-by: Christoph <siedlerkiller@gmail.com>
Co-authored-by: Carl Christian Snethlage <50491877+calixtus@users.noreply.github.com>
Co-authored-by: Houssem Nasri <housi.housi2015@gmail.com>
Co-authored-by: ThiloteE <73715071+ThiloteE@users.noreply.github.com>

Co-authored-by: Christoph <siedlerkiller@gmail.com>
Co-authored-by: Carl Christian Snethlage <50491877+calixtus@users.noreply.github.com>
Co-authored-by: Houssem Nasri <housi.housi2015@gmail.com>
Co-authored-by: ThiloteE <73715071+ThiloteE@users.noreply.github.com>

src/main/java/org/jabref/logic/l10n/Language.java

@@ -12,30 +12,34 @@ public enum Language {
     BAHASA_INDONESIA("Bahasa Indonesia", "id"),
     BRAZILIAN_PORTUGUESE("Brazilian Portuguese", "pt_BR"),
     DANISH("Dansk", "da"),
-    GERMAN("Deutsch", "de"),
+    DUTCH("Nederlands", "nl"),
     ENGLISH("English", "en"),
-    SPANISH("Español", "es"),
     FRENCH("Français", "fr"),
+    GERMAN("Deutsch", "de"),
+    GREEK("ελληνικά (Greek)", "el"),
     ITALIAN("Italiano", "it"),
     JAPANESE("Japanese", "ja"),
-    DUTCH("Nederlands", "nl"),
+    KOREAN("한국어 (Korean)", "ko"),
     NORWEGIAN("Norsk", "no"),
-    PERSIAN("Persian (فارسی)", "fa"),
+    PERSIAN("فارسی (Farsi)", "fa"),
+    POLISH("Polish", "pl"),
     PORTUGUESE("Português", "pt"),
     RUSSIAN("Russian", "ru"),
     SIMPLIFIED_CHINESE("Chinese (Simplified)", "zh_CN"),
+    SPANISH("Español", "es"),
+    SWEDISH("Svenska", "sv"),
+    TAGALOG("Tagalog/Filipino", "tl"),
     TRADITIONAL_CHINESE("Chinese (Traditional)", "zh_TW"),
-    SVENSKA("Svenska", "sv"),
     TURKISH("Turkish", "tr"),
-    VIETNAMESE("Vietnamese", "vi"),
-    GREEK("ελληνικά", "el"),
-    TAGALOG("Tagalog/Filipino", "tl"),
-    POLISH("Polish", "pl"),
-    KOREAN("Korean (한국어)", "ko");
+    UKRAINIAN("украї́нська (Ukrainian)", "uk"),
+    VIETNAMESE("Vietnamese", "vi");
 
     private final String displayName;
     private final String id;
 
+    /**
+     * @param id Typically as 639-1 code
+     */
     Language(String displayName, String id) {
         this.displayName = displayName;
         this.id = id;