Initial commit: OAuth IAM Laravel application

Laravel-based OAuth/IAM service with Passport, Vue 3 frontend, and
Docker Compose setup for local and production deployment.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

resources/js/i18n/index.ts

@@ -0,0 +1,20 @@
+import { createI18n } from 'vue-i18n';
+import ca from './ca';
+import en from './en';
+import es, { type MessageSchema } from './es';
+
+const SUPPORTED = ['es', 'en', 'ca'] as const;
+type Locale = (typeof SUPPORTED)[number];
+
+function isSupported(locale: string): locale is Locale {
+    return (SUPPORTED as readonly string[]).includes(locale);
+}
+
+const i18n = createI18n<[MessageSchema], Locale>({
+    legacy: false,
+    locale: isSupported(window.__LOCALE__) ? window.__LOCALE__ : 'es',
+    fallbackLocale: 'es',
+    messages: { en, es, ca },
+});
+
+export default i18n;