Standard Documentation Files.

Added some standard documentation style file to start with.

Signed-off-by: Craig M Roberts <craigmroberts@me.com>
Added colour variables for sass

Added main colour variables to use in the sass code to be able to change the colour scheme easily in the future.

Signed-off-by: Craig M Roberts <craigmroberts@me.com>
Added theme control.

Can easily create and change different themes for the website by using the website class.

Signed-off-by: Craig M Roberts <craigmroberts@me.com>