🌐 Integrated Spanish translation

frontend/src/lib/i18n/i18n-service.ts

@@ -13,6 +13,7 @@ import tr from './locales/tr.json';
 import id from './locales/id.json';
 import ca from './locales/ca.json';
 import it from './locales/it.json';
+import es from './locales/es.json';
 import LanguageDetector from 'i18next-browser-languagedetector';
 
 import type { i18n, Resource } from 'i18next';
@@ -64,6 +65,7 @@ export class I18nService {
 		this.i18n.addResourceBundle('id', 'translation', id);
 		this.i18n.addResourceBundle('it', 'translation', it);
 		this.i18n.addResourceBundle('ca', 'translation', ca);
+		this.i18n.addResourceBundle('es', 'translation', es);
 	}
 
 	changeLanguage(language: string): void {

frontend/src/lib/language-toggle.svelte

@@ -87,6 +87,11 @@
 			code: 'it',
 			name: 'Italiano',
 			flag: '🇮🇹'
+		},
+		{
+			code: 'es',
+			name: 'Español',
+			flag: '🇪🇸'
 		}
 	];
 	const get_selected_language = (): string => {