DOC: add badges for CI and coverage

15 jobs for !559 with ci_badges in 7 seconds (queued for 3 seconds)
detached
Status Job ID Name Coverage
  Precheck
canceled #8897
fast-build

00:00:07

 
  Prepare
canceled #8899
centos-xdk-prepare

canceled #8900
macos
macos-xdk-prepare

canceled #8898
ubuntu-xdk-prepare

canceled #8901
windows10
windows-10-prepare

canceled #8902
windows8
windows-8-prepare

 
  Build
canceled #8905
centos-xdk-build

canceled #8903
debian-build

canceled #8906
macos
macos-xdk-build

canceled #8904
ubuntu-xdk-build-doc

canceled #8909
ubuntu-xdk-qa-code-coverage

canceled #8910
ubuntu-xdk-qa-static-analysis

canceled #8907
windows10
windows-10-build

canceled #8908
windows8
windows-8-build

 
  Report
canceled #8911
ubuntu-xdk-report