* initial layout system with tool options
* cargo fmt
* cargo fmt again
* document bar defined on the backend
* cargo fmt
* removed RC<RefCell>
* cargo fmt
* - fix increment behavior
- removed hashmap from layout message handler
- removed no op message from layoutMessage
* cargo fmt
* only send documentBar when zoom or rotation is updated
* ctrl-0 changes zoom properly
* Code review changes
Co-authored-by: Keavon Chambers <keavon@keavon.com>
* Add FrontendMouseCursor and DisplayMouseCursor
* Add update_cursor method to the Fsm trait and implement it for all tools
* Rename DisplayMouseCursor to UpdateMouseCursor
* Add 'To CSS Cursor Property' transform decorator and change the mouse cursor in the canvas based on the current tool and its state
* Implement update_cursor for Navigate tool properly
* Keep the cursor when dragging outside of the canvas
* Change the mouse cursor to 'zoom-in' when LMB dragging on canvas with Navigate tool
* Rename FrontendMouseCursor to MouseCursorIcon
* Rename 'event' to 'e' and replace v-on with @
* Change the definition of the MouseCursorIcon type in TS
* Replace switch with dictionary look-up
* Move the definition of MouseCursorIcon closer to where it's used
