* 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
* Show all sections and enable cross-section focus navigation
* Move focus to the client
* Add shortcut for evaluating all cells
* Fix and expand tests
* Make section links scroll to the given section
* Virtualize output lines
* Remove unused dependency
* Remove VirtualizedLinesComponent
* Pass lines as HTML nodes and use as template
* Validate hook children
* Refactor markup
* Set up markdown rendering, update theme.
* Improve focus and handle expanding for markdown cells
* Add keybindings for expanding/navigating cells
* Improve editor autofocus when navigating with shortcuts
* Add tests
* Render markdown on the client
* Don't render cell initial data and make a request instead
* Set up editor and client side delta handling
* Synchronize deltas on the server
* Document the client code, add more tests
* Implement delta on the server, use compact representation when transmitting changes
* Simplify transformation implementation and add documentation
* Add session and data tests
* Add more delta tests
* Clean up evaluator tests wait timeout
