show self host in unicode (#3200)

src/client/app/mobile/views/pages/welcome.vue

@@ -76,6 +76,7 @@ import Vue from 'vue';
 import i18n from '../../../i18n';
 import { copyright, host } from '../../../config';
 import { concat } from '../../../../../prelude/array';
+import { toUnicode } from 'punycode';
 
 export default Vue.extend({
 	i18n: i18n('mobile/views/pages/welcome.vue'),
@@ -85,7 +86,7 @@ export default Vue.extend({
 			copyright,
 			stats: null,
 			banner: null,
-			host,
+			host: toUnicode(host),
 			name: 'Misskey',
 			description: '',
 			photos: [],