Fix missing ends of lines in header links

In Gogs markdown renderer there was a problem

Guides/wiki.md

@@ -1,8 +1,11 @@
 # Media Wiki
 
 [Debian / Ubuntu packages](https://www.mediawiki.org/wiki/Manual:Running_MediaWiki_on_Debian_or_Ubuntu)
+
 [Download and install](https://www.mediawiki.org/wiki/Manual:Installing_MediaWiki)
+
 [UI config with browser](https://www.mediawiki.org/wiki/Manual:Config_script)
+
 [LocalSettings.php guide](https://www.mediawiki.org/wiki/Manual:LocalSettings.php)
 
 ## Config