Merge pull request #1 from SciLifeLab/master

update forked repo from main
Added field to specify icon background colour. Also added homepage icon for Cluster Flow.
Merge pull request #24 from ewels/master

Added post field to specify homepage icon background
Merge branch 'master' of github.com:SciLifeLab/scilifelab.github.io
Added icon colour to concoct post, for index page