Update path to app.ini.sample (#171)

Author: cez81

content/doc/advanced/config-cheat-sheet.en-us.md

@@ -19,7 +19,7 @@ This is a cheat sheet for the Gitea configuration file. It is helpful for more f
 
 Before getting started, make sure you know that any change to the configuration should be made in `custom/conf/app.ini` or any corresponding location.
 
-All default settings can be found in [app.ini](https://github.com/go-gitea/gitea/blob/master/conf/app.ini) (replace master in URL with name of tag for released versions). If you see anything which looks like `%(X)s`, it is a feature powered by [ini](https://github.com/go-ini/ini/#recursive-values) for reading values recursively.
+All default settings can be found in [app.ini.sample](https://github.com/go-gitea/gitea/blob/master/custom/conf/app.ini.sample) (replace master in URL with name of tag for released versions). If you see anything which looks like `%(X)s`, it is a feature powered by [ini](https://github.com/go-ini/ini/#recursive-values) for reading values recursively.
 
 Any configuration option that is marked by :exclamation: means that you should keep the default value unless you fully understand what you are doing.
 

content/doc/advanced/config-cheat-sheet.zh-cn.md

@@ -15,7 +15,7 @@ menu:
 
 # 配置说明
 
-这是针对Gitea配置文件的说明，你可以了解Gitea的强大配置。需要说明的是，你的所有改变请修改 `custom/conf/app.ini` 文件而不是源文件。所有默认值可以通过 [app.ini](https://github.com/go-gitea/gitea/blob/master/conf/app.ini) 查看到。如果你发现 `%(X)s` 这样的内容，请查看 [ini](https://github.com/go-ini/ini/#recursive-values) 这里的说明。标注了 :exclamation: 的配置项表明除非你真的理解这个配置项的意义，否则最好使用默认值。
+这是针对Gitea配置文件的说明，你可以了解Gitea的强大配置。需要说明的是，你的所有改变请修改 `custom/conf/app.ini` 文件而不是源文件。所有默认值可以通过 [app.ini.sample](https://github.com/go-gitea/gitea/blob/master/custom/conf/app.ini.sample) 查看到。如果你发现 `%(X)s` 这样的内容，请查看 [ini](https://github.com/go-ini/ini/#recursive-values) 这里的说明。标注了 :exclamation: 的配置项表明除非你真的理解这个配置项的意义，否则最好使用默认值。
 
 ## Overall (`DEFAULT`)