Add a movable canvas with matricies (#175)

* Convert polygon and rectangle tool to kurbo::BezPath

* Add glam

* Add affine transform to elipse and remove circle

* Format

* Add svg group and add matrix for group

* Convert all operations to use matricies

* Work uses same transform as root

* Format

* Frontend fixed to render changes to working colors when changed from backend (#180)

* Backend and Frontend modification to show working color mods

* Remove comments & change precedence for tool and doc actions

* Add keybind for resetting work colors

* Minor Frontend changes

* Remove early sample "greet" code

* Add a contributing section to the project README

* Add moving document around

* Add document transform for tools

* Update to GraphiteEditor's fork

* Use write in foreach for rendering group / folder

* Add missing TranslateDown action

* Use points for line operation

* Format

* Add todo to change to shape's aspect ratio

* Remove empty if

* Initial pass at refactor

* Fix polyline test

* Use document message to modify document transform

* Messages -> Operations

* Transform layer

* Format

* Use DAffine2::IDENTITY

* Clean up kurbo generation for line and rect

* Use .into for rectangle points

* Rename cols to transform

* Rename other cols to transform

* Add todo for into_iter

* Remove unnecessary clone

Co-authored-by: akshay1992kalbhor <akshay1992kalbhor@gmail.com>
Co-authored-by: Keavon Chambers <keavon@keavon.com>

core/document/src/lib.rs

@@ -3,7 +3,6 @@ pub mod document;
 pub mod layers;
 pub mod operation;
 pub mod response;
-mod shape_points;
 
 pub use operation::Operation;
 pub use response::DocumentResponse;
@@ -15,4 +14,5 @@ pub enum DocumentError {
 	LayerNotFound,
 	InvalidPath,
 	IndexOutOfBounds,
+	NotAFolder,
 }