* more better pan zoom with space for drag, shift for horizontal scroll and ctrl for zoom
* use middle mouse button for drag
* improve panning with space + mousemove, remove middle mouse implementation
* handle tool change after mouseup event
* fix: ensure proper drawing of shape tools after pan/zoom
* remove sticky bottom toolbar
* make bounding-box not selectable after undo/redo
* fix: resize issue, added option to pan using alt/shift + mouse wheel
* drag with touchpad
* use isDesktop and move globalThis to index.ts
* gesture event not required, use preventDefault with passive false in wheel event
* use shift in mac and ctrl in pc
* fix: blur in io, remove panzoom and use fabricjs for panzoom
- remove panzoom
- implement panzoom using fabricjs
- set background image for canvas
- add bounding rect for canvas
- draw or add point inside in bounding rect
- update zoom tool
* support pinch to zoom on mobile client
* fix lagging of canvas, zoom in draw mode
* panning in touch events
