* [feature] grids

* Shows relative grids at different zoom levels

* Update colors

* Restores vec and intersect to monorepo, changes vec.round to vec.toFixed, adds vec.snap

* Snapping in translate and transforms, fix shortcut

* fix bugs in build

* use grid size for nudge too

* update scripts

* Update grid.tsx

* Update grid.tsx

* Fixed!

* Update grid.tsx

* Fix package imports

* Update Editor.tsx

* Improve tsconfigs, imports

* Fix tiny arrow bugs, snap starting points to grid

* Update tsconfig.base.json

* Update shape-styles.ts

* Fix example tsconfig

* Fix translate type error

* Fix types, paths

Co-authored-by: Steve Ruiz <steveruizok@gmail.com>

* remove sponsorwall for main route

* Adds sponsorship link

* Remove all sponsorwall

* Fix sponsorship link appearance on dark mode

* Add heart icon

* Fix text bug

* Fix toolbar, hide resize handles on sticky

* Add eraser

* Update Kbd.tsx

* cleanup

* base zoom delta on event deltaMode

* Fix image in example

* Fix eraser icon

* eraser tool resets to previous tool

* Update EraseTool.spec.ts

* Improves support for locked shapes

* Update _document.tsx

* Update CHANGELOG.md

* Adds multiplayer menu, fix develop route in example

* Tighten up top panel padding

* Update top bar, bump packages

* refactor TLDrawState -> TLDrawApp, mutables, new tests

* Fix scaling bug, delete groups bug

* fix snapping

* add pressure to points

* Remove mutables, rename to tldraw (or Tldraw)

* Clean up types, add darkmode prop

* more renaming

* rename getShapeUtils to getShapeUtil

* Fix file names

* Fix last bugs related to renaming

* Update state to app in tests

* rename types to TD

* remove unused styles / rename styles

* slight update to panel

* Fix rogue radix perf issue

* Update ZoomMenu.tsx

* Consolidate style panel

* Fix text wrapping in text shape, improve action menu

* Fix props

* add indicators for tool lock

* fix calloits

* Add click to erase shapes

* Slightly improve loading screen

* Update PrimaryTools.tsx

* remove force consistent filenames from tsconfig

* Update useTldrawApp.tsx

* fix capitalization

* Update main.yml

* fixes rotate center after translating / transforming

* Adds test, fixes issue on undo/redo

* Update tsconfig.base.json

esbuild isn't currently tree shaking intersections, but that's a file where we could save some room