Update README.md (#595)

Author: Arhell

README.md

@@ -1,6 +1,6 @@
 # Codeception Site
 
-http://codeception.com
+https://codeception.com
 
 If you want to improve the site, please submit your pull requests. Most of design changes are welcome!
 To run site locally (published with Github pages) you need to install [Jekyll](https://jekyllrb.com/)