* Render basic input
* Make each cell type a separate struct
* Add operation to set input value
* Prototype communication
* Make input name editable
* Refactoring
* Unify cell attribute setters
* IO tests
* Document input communication protocol in Runtime
* Add more tests
* Add persistence
* Fix status update on cell attributes change
* Rework persistence
* Integrate input cell with insert mode
* Add missing users keybinding
* Mimic autofocus for dynamically inserted elements
* Support input type selection
* Support URL input and set up validation
* Convert input error into a more meaningful io error
* Add missing client checks
* Consume every input only once per evaluation
* Fixes
* Change anchor tags for sections to be based on the titles, not randomly generated
* Update lib/livebook_web/helpers.ex
Co-authored-by: Jonatan Kłosko <jonatanklosko@gmail.com>
* Force menu items into a single line
* Add shortcut for saving the notebook
* Make the disk icon always show file dialog
* Split runtime and file settings into separate modals
* Add ctrl+s to the shortcuts list
* Add togglable menu to the session page
* Make sure newly saved file appears in the file selector
* Fix path seletor force reloading
* Remove notebook generated in tests
* Add test for file list refresh after save
* Buffer IO evaluation output
* Respect CR in IOProxy
* Handle CR when adding cell output rather than during each render
* Optimise CR handling in buffer
