优化，减少可能到来的1.2.4的工作量

1.增加翻译
2.为darkmode添加过度动画
3.修改package.json

src/js/pages/Members/index.js

@@ -68,7 +68,7 @@ export default class Members extends Component {
                         (searching && filtered.length === 0) && (
                             <div className={classes.notfound}>
                                 <img src="assets/images/crash.png" />
-                                <h1>Can't find any people matching '{searching}'</h1>
+                                <h1>找不到 '{searching}'</h1>
                             </div>
                         )
                     }