feat: Add Spanish translation (es)

README.md

@@ -31,7 +31,7 @@ _BetterShift is a self-hosted shift management application for teams and individ
 | **Admin Panel**    | User management, calendar administration, audit logging         |
 | **Statistics**     | Real-time shift tracking with visual charts                     |
 | **Export**         | Download calendars as ICS or PDF                                |
-| **Localization**   | English, German, Italian                                        |
+| **Localization**   | English, German, Italian, Spanish                                        |
 | **PWA**            | Installable on mobile and desktop                               |
 
 ## Quick Start

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": {