[x] clean code ie remove commented code and unsued files
[x] run example from A to Z
[x] update docs
[x] rulegraph
[x] configs (example config)
[x] CITATION.cff
[x] README
[x] check example data, put download instructions for resources and test data in README (test data is hg19 but cisTarget resource are used from hg38 as hg19 resources do not work)
note for docs
GREAT
rGREAT is not using the provided cores although correct parameter -> could not make it work, still provide it as parameter
region-gene association wihtout background: faster and more genes and will be anyway accounted for in the gene-based analyses
note for docs