Added Basque Translation (#400)

Author: Ian-Inizias

src/locale/eu_ES.ts

@@ -0,0 +1,33 @@
+import type { Locale } from '../interface';
+
+const locale: Locale = {
+  locale: 'eu_ES',
+  today: 'Gaur',
+  now: 'Orain',
+  backToToday: 'Gaur itzuli',
+  ok: 'OK',
+  clear: 'Garbitu',
+  month: 'Hilabete',
+  year: 'Urte',
+  timeSelect: 'Ordua aukeratu',
+  dateSelect: 'Eguna aukeratu',
+  weekSelect: 'Astea aukeratu',
+  monthSelect: 'Hilabetea aukeratu',
+  yearSelect: 'Urtea aukeratu',
+  decadeSelect: 'Hamarkada aukeratu',
+  yearFormat: 'YYYY',
+  dateFormat: 'YYYY/M/D',
+  dayFormat: 'D',
+  dateTimeFormat: 'YYYY/M/D HH:mm:ss',
+  monthBeforeYear: false,
+  previousMonth: 'Aurreko hilabetea (RePag)',
+  nextMonth: 'Urrengo hilabetea (AvPag)',
+  previousYear: 'Aurreko urtea (Control + ezkerra)',
+  nextYear: 'Urrento urtea (Control + eskuina)',
+  previousDecade: 'Aurreko hamarkada',
+  nextDecade: 'Urrengo hamarkada',
+  previousCentury: 'Aurreko mendea',
+  nextCentury: 'Urrengo mendea',
+};
+
+export default locale;