add readme, small refactor

5 jobs for dev2 in 25 seconds (queued for 4 seconds)
Status Name Job ID Coverage
  Scripts Check
passed bash_check #724959

00:00:14

passed md_link-check #724956

00:00:22

passed md_structure-check #724957

00:00:15

passed python_check #724958

00:00:24

passed terraform_check #724960

00:00:15