Componenet of idiom create (tui editor)

• Contains mostly reusable tui components build on top of crossterm:
  crossterm
• Componenets used for idiom editor (split for resusability):
  idiom
• feature crossterm_backend could be used - implementation for backend with extension on ContentStyle (in idiom it is not used due to strange text during testing).

TODO:

• add more test (fist relative modal)