feat: Translate app to Spanish (#457)

i18n.ts

@@ -2,12 +2,14 @@ import i18n from "i18next";
 import { initReactI18next } from "react-i18next";
 
 import en from "./translations/en.json";
+import es from "./translations/es.json";
 import fr from "./translations/fr.json";
 import sv from "./translations/sv.json";
 import { getLocales } from "expo-localization";
 
 export const APP_LANGUAGES = [
   { label: "English", value: "en" },
+  { label: "Español", value: "es" },
   { label: "Français", value: "fr" },
   { label: "Svenska", value: "sv" },
 ];
@@ -16,6 +18,7 @@ i18n.use(initReactI18next).init({
   compatibilityJSON: "v4",
   resources: {
     en: { translation: en },
+    es: { translation: es },
     fr: { translation: fr },
     sv: { translation: sv },
   },