This PR removes `TLShapeDef` and associated helpers / references.
It purposely loosens the configuration and typings to better support
customization.
### Change Type
- [x] `major` — Breaking Change
### Test Plan
1. Use the app!
### Release Notes
- [tlschema] Update props of `createTLSchema`
- [editor] Update props of `TldrawEditorConfig`
- [editor] Remove `App.getShapeUtilByType`
- [editor] Update `App.getShapeUtil` to take a type rather than a shape
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Co-authored-by: alex <alex@dytry.ch>
This PR has been hijacked! 🗑️🦝🦝🦝
The <Canvas> component was previously split into an <SVGLayer> and an
<HTMLLayer>, mainly due to the complexity around translating SVGs.
However, this was done before we learned that SVGs can have overflow:
visible, so it turns out that we don't really need the SVGLayer at all.
This PR now refactors away SVG Layer.
It also updates the class name prefix in editor from `rs-` to `tl-` and
does a few other small changes.
---------
Co-authored-by: Steve Ruiz <steveruizok@gmail.com>
