feat: add i18n framework with Indonesian translation support (#124)

* feat: add i18n support with separate translation files

- Extract translations from store.js to separate files for easier management
- Add translation files for English (en.js), Indonesian (id.js), Turkish (tr.js), and Chinese (zh.js)
- Load translations via window.translations object before Alpine store initialization
- Add Bahasa Indonesia option to language selector

* feat: translate remaining hardcoded UI strings

- Update index.html to use t() for Menu and GitHub labels
- Update views to translate Tier, Quota, Live, tier badges, and close button
- Update components to use translated error messages and confirmation dialogs
- Update utils to use translated validation and error messages
- Update app-init.js to use translated OAuth success/error messages

public/views/models.html

@@ -213,7 +213,7 @@
                                 <!-- Account Status Indicators -->
                                 <div class="flex flex-wrap gap-1 justify-start max-w-[200px]" x-data="{ maxVisible: 12 }">
                                     <template x-if="!row.quotaInfo || row.quotaInfo.length === 0">
-                                        <div class="text-[10px] text-gray-600 italic">No data</div>
+                                        <div class="text-[10px] text-gray-600 italic" x-text="$store.global.t('noData')">No data</div>
                                     </template>
                                     <template x-if="row.quotaInfo && row.quotaInfo.length > 0">
                                         <div class="flex flex-wrap gap-1 justify-start">