Update chinese language files (#6745)

* Add `Caption/Sidebar` in SideBar.multids
* Update Help/default.tid

languages/zh-Hans/Help/default.tid

@@ -3,6 +3,7 @@ title: $:/language/Help/default
 \define commandTitle()
 $:/language/Help/$(command)$
 \end
+\whitespace trim
 ```
 用法: tiddlywiki [<wikifolder>] [--<command> [<args>...]...]
 ```
@@ -11,7 +12,9 @@ $:/language/Help/$(command)$
 
 <ul>
 <$list filter="[commands[]sort[title]]" variable="command">
-<li><$link to=<<commandTitle>>><$macrocall $name="command" $type="text/plain" $output="text/plain"/></$link>: <$transclude tiddler=<<commandTitle>> field="description"/></li>
+<li><$link to=<<commandTitle>>><$macrocall $name="command" $type="text/plain" $output="text/plain"/></$link>:
+&#32;
+<$transclude tiddler=<<commandTitle>> field="description"/></li>
 </$list>
 </ul>
 

languages/zh-Hans/SideBar.multids

@@ -1,6 +1,7 @@
 title: $:/language/SideBar/
 
 All/Caption: 全部
+Caption: 侧边栏
 Contents/Caption: 目录
 Drafts/Caption: 草稿
 Explorer/Caption: 探索

languages/zh-Hant/Help/default.tid

@@ -3,6 +3,7 @@ title: $:/language/Help/default
 \define commandTitle()
 $:/language/Help/$(command)$
 \end
+\whitespace trim
 ```
 用法: tiddlywiki [<wikifolder>] [--<command> [<args>...]...]
 ```
@@ -11,7 +12,9 @@ $:/language/Help/$(command)$
 
 <ul>
 <$list filter="[commands[]sort[title]]" variable="command">
-<li><$link to=<<commandTitle>>><$macrocall $name="command" $type="text/plain" $output="text/plain"/></$link>: <$transclude tiddler=<<commandTitle>> field="description"/></li>
+<li><$link to=<<commandTitle>>><$macrocall $name="command" $type="text/plain" $output="text/plain"/></$link>:
+&#32;
+<$transclude tiddler=<<commandTitle>> field="description"/></li>
 </$list>
 </ul>
 

languages/zh-Hant/SideBar.multids

@@ -1,6 +1,7 @@
 title: $:/language/SideBar/
 
 All/Caption: 全部
+Caption: 側邊欄
 Contents/Caption: 目錄
 Drafts/Caption: 草稿
 Explorer/Caption: 探索