* Add notebook indicators
* Make evaluation status button point to the corresponding cell
* Rename introductory notebook
* Update path highlight when chosen for saving
* Allow specifying nonexistent directories when saving and create those
* Update lib/livebook_web/live/session_live/indicators_component.ex
Co-authored-by: José Valim <jose.valim@dashbit.co>
* Update lib/livebook_web/live/session_live/indicators_component.ex
Co-authored-by: José Valim <jose.valim@dashbit.co>
* Update lib/livebook_web/live/session_live/indicators_component.ex
Co-authored-by: José Valim <jose.valim@dashbit.co>
* Update lib/livebook_web/live/session_live/indicators_component.ex
Co-authored-by: José Valim <jose.valim@dashbit.co>
* Update lib/livebook_web/live/session_live/indicators_component.ex
Co-authored-by: José Valim <jose.valim@dashbit.co>
Co-authored-by: José Valim <jose.valim@dashbit.co>
