Revert "Added README.mkd"

This reverts commit da032f6ae6dce486863807e7c75af553dd438e9d.
Merge branch 'readme'

Conflicts:
	README.mkd
Update README.mkd

参考にしたサイト様を付記
Add some text to readme.
Merge branch 'master' of https://github.com/hadayan0/excersise-of-github

Conflicts:
	README.mkd
some fix
Added index.html
Merge branch 'readme' of https://github.com/hadayan0/excersise-of-github into readme

Conflicts:
	README.mkd