feat(locale): add Luxembourgish language (#4264)

Author: adjabaev

docs/app/components/content/SupportedLanguages.vue

@@ -26,6 +26,7 @@ function getEmojiFlag(locale: string): string {
     km: 'kh', // Khmer -> Cambodia
     ko: 'kr', // Korean -> South Korea
     ky: 'kg', // Kyrgyz -> Kyrgyzstan
+    lb: 'lu', // Luxembourgish -> Luxembourg
     ms: 'my', // Malay -> Malaysia
     nb: 'no', // Norwegian Bokmål -> Norway
     sl: 'si', // Slovenian -> Slovenia

src/runtime/locale/index.ts

@@ -25,6 +25,7 @@ export { default as kk } from './kk'
 export { default as km } from './km'
 export { default as ko } from './ko'
 export { default as ky } from './ky'
+export { default as lb } from './lb'
 export { default as lt } from './lt'
 export { default as mn } from './mn'
 export { default as ms } from './ms'

src/runtime/locale/lb.ts

@@ -0,0 +1,56 @@
+import type { Messages } from '../types'
+import { defineLocale } from '../composables/defineLocale'
+
+export default defineLocale<Messages>({
+  name: 'Lëtzebuergesch',
+  code: 'lb',
+  messages: {
+    inputMenu: {
+      noMatch: 'Keng entspriechend Donnéeën',
+      noData: 'Keng Donnéeën',
+      create: '"{label}" erstellen'
+    },
+    calendar: {
+      prevYear: 'Viregt Joer',
+      nextYear: 'Nächst Joer',
+      prevMonth: 'Virege Mount',
+      nextMonth: 'Nächste Mount'
+    },
+    inputNumber: {
+      increment: 'Inkrementéieren',
+      decrement: 'Dekrementéieren'
+    },
+    commandPalette: {
+      placeholder: 'Tippt e Befeel oder sicht...',
+      noMatch: 'Keng entspriechend Donnéeën',
+      noData: 'Keng Donnéeën',
+      close: 'Zoumaachen'
+    },
+    selectMenu: {
+      noMatch: 'Keng entspriechend Donnéeën',
+      noData: 'Keng Donnéeën',
+      create: '"{label}" erstellen',
+      search: 'Sichen..'
+    },
+    toast: {
+      close: 'Zoumaachen'
+    },
+    carousel: {
+      prev: 'Präz.',
+      next: 'Näch.',
+      goto: 'Gitt op d\'Slide {Slide}'
+    },
+    modal: {
+      close: 'Zoumaachen'
+    },
+    slideover: {
+      close: 'Zoumaachen'
+    },
+    alert: {
+      close: 'Zoumaachen'
+    },
+    table: {
+      noData: 'Keng Donnéeën'
+    }
+  }
+})