Add complete project files

lib/i18n.ts

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+// TODO: Implement internationalization
+// This file is a placeholder for future i18n implementation
+// Consider using next-intl or react-i18next for multi-language support
+
+export const defaultLocale = 'en';
+export const supportedLocales = ['en'] as const;
+
+export type Locale = typeof supportedLocales[number];
+
+export function getLocaleFromPath(pathname: string): Locale {
+  // TODO: Implement locale detection from pathname
+  return defaultLocale;
+}
+
+export function getLocalizedPath(pathname: string, locale: Locale): string {
+  // TODO: Implement localized path generation
+  return pathname;
+}