表示言語が設定されてない場合、ブラウザの言語と関係なく日本語にする (MisskeyIO#175)

packages/frontend/src/config.ts

@@ -13,7 +13,7 @@ export const hostname = address.hostname;
 export const url = address.origin;
 export const apiUrl = url + '/api';
 export const wsUrl = url.replace('http://', 'ws://').replace('https://', 'wss://') + '/streaming';
-export const lang = miLocalStorage.getItem('lang') ?? 'en-US';
+export const lang = miLocalStorage.getItem('lang') ?? 'ja-JP';
 export const langs = _LANGS_;
 const preParseLocale = miLocalStorage.getItem('locale');
 export let locale = preParseLocale ? JSON.parse(preParseLocale) : null;