* 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>
* Update cell actions
* Add new focus indicator
* Update headings typography
* Update cell actions and insert buttons
* Add sidebar menu
* Add settings modal
* Update homepage
* Update settings dialog
* Rename classes
* Add floating menu
* Update icon colors on hover
* Fix homepage tests
* Format assets source
* Update monaco editor
* Fix editor width on resize
* Add more padding to the notebook content
* Update settings dialog title
* Show reevaluate button when the cell is in evaluated state
* Show section actions on focus or hover only
* Pre-fill runtime selector with the current configuration
* Ignore cmd + enter in Markdown cells