* feat(i18n): add Spanish language support
Added Spanish translations to the application, including localization for app content, common phrases, external resources, language settings, and shortcuts.
* fix(localization): add missing 'langs.es' field in lang/*.json files
Fixed the issue of missing 'langs.es' field in all language files, ensuring that Spanish is included in the language options.
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Co-authored-by: Innei <i@innei.in>