feat: add multi-lang

apps/desktop/src/i18n.ts

@@ -0,0 +1,33 @@
+import { resolveResource } from "@tauri-apps/api/path";
+import { readTextFile } from "@tauri-apps/plugin-fs";
+import { locale } from "@tauri-apps/plugin-os";
+import i18n from "i18next";
+import { initReactI18next } from "react-i18next";
+
+const enFilePath = await resolveResource("locales/en.json");
+const jaFilePath = await resolveResource("locales/ja.json");
+
+const enLocale = JSON.parse(await readTextFile(enFilePath));
+const jaLocale = JSON.parse(await readTextFile(jaFilePath));
+
+const osLocale = (await locale()).slice(0, 2);
+
+const resources = {
+	en: {
+		translation: enLocale,
+	},
+	ja: {
+		translation: jaLocale,
+	},
+};
+
+i18n.use(initReactI18next).init({
+	lng: osLocale,
+	fallbackLng: "en",
+	interpolation: {
+		escapeValue: false,
+	},
+	resources,
+});
+
+export default i18n;