add editorconfig
 add new step
use fixed positioning when the step is inside or is itself a fixed element
no need for incremented z index
build
bump version
Merge branch 'hotfix/0.1.10'

* hotfix/0.1.10:
  bump version
  build
  no need for incremented z index
  use fixed positioning when the step is inside or is itself a fixed element
  add new step
  add editorconfig