Merge branch 'doc-dev' into 'main'

add Developement, Contributing sections to readme

See merge request !3
5 jobs for main in 16 seconds (queued for 5 seconds)
latest
Status Name Job ID Coverage
  Test
passed pages #45516

00:00:16

 
  Deploy
passed pages:deploy

00:00:00

passed pages:deploy

00:00:00

passed pages:deploy

00:00:00

passed pages:deploy

00:00:00