v12 (#5712)

Co-authored-by: MeiMei <30769358+mei23@users.noreply.github.com>
Co-authored-by: Satsuki Yanagi <17376330+u1-liquid@users.noreply.github.com>

src/client/i18n.ts

@@ -0,0 +1,12 @@
+import Vue from 'vue';
+import VueI18n from 'vue-i18n';
+import { lang, locale } from './config';
+
+Vue.use(VueI18n);
+
+export default new VueI18n({
+	locale: lang,
+	messages: {
+		[lang]: locale
+	}
+});