* Basic filesystem navigation
* Add file picker modal
* Implement autosave when dirty and show the status
* Add hompage link in the session view
* Improve file picker and use in both places
* Move session list to homepage
* Some refactoring
* Show import messages if any
* Fix and extend tests
* Show a message when there are no sessions running
* Rename import to fork and make that clear in notebook name
* Fix old route
* Show info when no file is connected to the given session
* Show runtime type next to filename
* Show button for joining session when a running path is selected
* Move modal components to SessionLive namespace
* Add FileGuard to lock files used for notebook persistence
* Use radio for specifying persistence type
* Don't lock nil path
* Simplify FileGuard implementation
* Test notebook persistence
* Fix typo
* Further simplify FileGuard
* Improve file listing
* Don't show parent dir when there's a basename being typed
* Add path component tests
* 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
* Sync session data within LV client
* Add basic session UI
* Add operations for setting notebook and section name
* Update notebook and section name from the UI
* Some cleanup
* Return current data upon client registartion to avoid race conditions
* Small fixes
