Updating README to point to right URL for customisable variables
[bootswatch] / simplex /
drwxr-xr-x   ..
-rw-r--r-- 136243 bootstrap.css
-rw-r--r-- 113332 bootstrap.min.css
-rwxr-xr-x 7520 bootswatch.less
-rwxr-xr-x 35772 index.html
-rw-r--r-- 15416 thumbnail.png
-rwxr-xr-x 9219 variables.less