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/Home/ChatContent/index.js

@@ -155,7 +155,7 @@ export default class ChatContent extends Component {
                 return `
                     <div class="${classes.invalidEmoji}">
                         <div></div>
-                        <span>Send an emoji, view it on mobile</span>
+                        <span>不支持的emoji，请在其他客户端查看</span>
                     </div>
                 `;
 
@@ -201,7 +201,7 @@ export default class ChatContent extends Component {
                     console.error('Invalid video message: %o', message);
 
                     return `
-                        Receive an invalid video message, please see the console output.
+                        收到无法解析的视频消息，请参阅控制台输出
                     `;
                 }
 
@@ -215,7 +215,7 @@ export default class ChatContent extends Component {
 
                 return `
                     <div class="${classes.transfer}">
-                        <h4>Money Transfer</h4>
+                        <h4>转账消息</h4>
                         <span>💰 ${transfer.money}</span>
                         <p>如需收钱，请打开手机微信确认收款。</p>
                     </div>
@@ -229,7 +229,7 @@ export default class ChatContent extends Component {
                 /* eslint-disable */
                 return `
                     <div class="${classes.file}" data-id="${message.MsgId}">
-                        
+
                         <img src="assets/images/filetypes/${helper.getFiletypeIcon(file.extension)}" class="disabledDrag" />
 
                         <div>
@@ -257,7 +257,7 @@ export default class ChatContent extends Component {
                 return `
                     <div class="${classes.locationSharing}">
                         <i class="icon-ion-ios-location"></i>
-                        Location sharing, Please check your phone.
+                        位置分享，请查看其他客户端
                     </div>
                 `;
         }
@@ -485,7 +485,7 @@ export default class ChatContent extends Component {
         var user = this.props.user;
         var menu = new remote.Menu.buildFromTemplate([
             {
-                label: 'Toggle the conversation',
+                label: '切换对话',
                 click: () => {
                     this.props.toggleConversation();
                 }
@@ -535,7 +535,7 @@ export default class ChatContent extends Component {
         });
 
         if (counter) {
-            tips.innerHTML = `You has ${counter} unread messages.`;
+            tips.innerHTML = `你有${counter}个未读消息`;
             tips.classList.add(classes.show);
         } else {
             tips.classList.remove(classes.show);
@@ -573,7 +573,7 @@ export default class ChatContent extends Component {
                 let counter = viewport.querySelectorAll(`.${classes.message}.unread`).length;
 
                 if (counter) {
-                    tips.innerHTML = `You has ${counter} unread messages.`;
+                    tips.innerHTML = `你有${counter}个未读消息`;
                     tips.classList.add(classes.show);
                 }
                 return;