Update site.url setting in _config.yml (#159)

Author: gomzyakov

_config.yml

@@ -1,7 +1,7 @@
 # Text for `site.*`
 title: Complete list of all GitHub profile Badges and Achievements
 logo_url: https://avatars.githubusercontent.com/u/117988194?s=200&v=4
-url: https://badges-and-achievements.github.io/
+url: https://badges-and-achievements.github.io
 baseurl: ""
 repository: badges-and-achievements/badges-and-achievements.github.io