Merge pull request #585 from kiprasmel/feat/add-lang-lt-LT

Add the Lithuanian language (`lt-LT`)

lib/lang.js

@@ -17,6 +17,7 @@ import {
   it,
   ja,
   ko,
+  lt,
   mn,
   ms,
   nb,
@@ -60,6 +61,7 @@ export const languages = {
   'id-ID': { label: 'Bahasa Indonesia', dateLocale: id },
   'ja-JP': { label: '日本語', dateLocale: ja },
   'ko-KR': { label: '한국어', dateLocale: ko },
+  'lt-LT': { label: "Lietuvių", dateLocale: lt },
   'ms-MY': { label: 'Malay', dateLocale: ms },
   'mn-MN': { label: 'Монгол', dateLocale: mn },
   'nl-NL': { label: 'Nederlands', dateLocale: nl },