docs: correct editURL config instruction (#215)

* docs: fix the documentation error about editURL

* docs: fix the documentation error about editURL

* Update configuration.md

* Update configuration.zh-cn.md

---------

Co-authored-by: Xin <xin@imfing.com>

exampleSite/content/docs/guide/configuration.md

@@ -143,13 +143,12 @@ params:
 ```
 
 The edit links will be automatically generated for each page based on the provided url as root directory.
-If you want to set edit link for a specific page, you can set the `params.editURL` parameter in the front matter of the page:
+If you want to set edit link for a specific page, you can set the `editURL` parameter in the front matter of the page:
 
 ```yaml {filename="content/docs/guide/configuration.md"}
 ---
 title: Configuration
-params:
-  editURL: "https://example.com/edit/this/page"
+editURL: "https://example.com/edit/this/page"
 ---
 ```
 

exampleSite/content/docs/guide/configuration.zh-cn.md

@@ -114,12 +114,11 @@ params:
 ```
 
 将为每个页面自动生成编辑链接。
-如需为特定页面设置编辑链接，可以在页面的 `front matter` 中设置 `params.editURL`：
+如需为特定页面设置编辑链接，可以在页面的 `front matter` 中设置 `editURL`：
 
 ```yaml {filename="content/docs/guide/configuration.md"}
 ---
 title: Configuration
-params:
-  editURL: "https://example.com/edit/this/page"
+editURL: "https://example.com/edit/this/page"
 ---
 ```