New Crowdin updates (#316)

* New translations integration.mdx (Chinese Simplified)

* New translations merge.mdx (Chinese Simplified)

* New translations elevation.mdx (Chinese Simplified)

* New translations en.json (Chinese Simplified)

* New translations file.mdx (Ukrainian)

* New translations en.json (German)

* New translations integration.mdx (German)

* New translations map-controls.mdx (German)

* New translations file.mdx (German)

* New translations merge.mdx (German)

* New translations elevation.mdx (German)

website/src/lib/docs/zh/integration.mdx

@@ -13,8 +13,8 @@ title: 集成
 
 只需：
 
-1. GPX files hosted on your server or on Google Drive, or accessible via a public URL;
-2. _Optional:_ a <a href="https://cloud.maptiler.com/auth/widget?next=https://cloud.maptiler.com/maps/" target="_blank">MapTiler key</a> to load MapTiler maps.
+1. 将 GPX 文件存放在个人服务器或谷歌云盘上，或提供公开访问链接；
+2. _备选项：_ 通过 <a href="https://cloud.maptiler.com/auth/widget?next=https://cloud.maptiler.com/maps/" target="_blank">MapTiler key</a> 以加载 MapTiler 地图。
 
 然后，使用下面的配置器来自定义地图并生成相应的 HTML 代码。
 

website/src/lib/docs/zh/toolbar/elevation.mdx

@@ -18,7 +18,7 @@ title: 请求海拔数据
 
 <DocsNote>
 
-Elevation data is provided by <a href="https://maptiler.com" target="_blank">MapTiler</a>.
-You can learn more about its origin and accuracy in the <a href="https://docs.maptiler.com/guides/map-tiling-hosting/data-hosting/rgb-terrain-by-maptiler/" target="_blank">documentation</a>.
+海拔数据来自 <a href="https://maptiler.com" target="_blank">MapTiler</a>.
+查阅 <a href="https://docs.maptiler.com/guides/map-tiling-hosting/data-hosting/rgb-terrain-by-maptiler/" target="_blank">官方文档</a> 以了解海拔数据来源及其准确度。
 
 </DocsNote>

website/src/lib/docs/zh/toolbar/merge.mdx

@@ -18,8 +18,8 @@ title: 合并要素
 
 <DocsNote>
 
-Selected items are merged in the order they appear in the files list.
-Reorder items by drag-and-drop if needed.
+选中的项目将按它们在文件列表中的顺序合并。
+可通过拖拽来重新排序项目。
 
 </DocsNote>