feat: Add Spanish translation (es)

lib/locales.ts

@@ -1,12 +1,13 @@
-import { de, enUS, it } from "date-fns/locale";
+import { de, enUS, es, it } from "date-fns/locale";
 import type { Locale as DateFnsLocale } from "date-fns";
 
-export const locales = ["de", "en", "it"] as const;
+export const locales = ["de", "en", "es", "it"] as const;
 export type Locale = (typeof locales)[number];
 
 const dateFnsLocales: Record<Locale, DateFnsLocale> = {
   de: de,
   en: enUS,
+  es: es,
   it: it,
 };
 

messages/de.json

@@ -2,6 +2,7 @@
   "language": {
     "de": "Deutsch",
     "en": "Englisch",
+    "es": "Spanisch",
     "it": "Italienisch"
   },
   "common": {

messages/en.json

@@ -2,6 +2,7 @@
   "language": {
     "de": "German",
     "en": "English",
+    "es": "Spanish",
     "it": "Italian"
   },
   "common": {