More READE.md improvements

4 jobs for master in 9 minutes and 27 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #209510
build-champlain

00:03:28

passed #209511
build-champlain-gtk

00:03:29

 
  Deploy
passed #209512
pages

00:05:57

passed pages:deploy

00:00:00