* [a11y] add initial accessibility functional tests
* add accessibility jobs
* fix config path
* remove percy setup from scripts
* disable color-contrast rule
* apply changes from @myasonik
* define aria-controls/owns props even when suggestions aren't visible
* [ftr/a11y] only throw error when there are errors
* adding tests for management page
* add a11y test for management page
* adding ignore rules' to a11y
* accessibility test for kibana home
* 7 passing tests, 0 failures
* jest snapshot update
* support a11y test in pipeline job
* update a11y test script for pipelines
* use oss compatible ci setup
* fix exclude syntax
* add default exclusion syntax
