Viewport canvas navigation with modifier keys and zoom widget (#229)

* Add rotation around the center

* Document transform centred

* Fix drawing hexagon on rotated document

* Format

* Fix translation on rotated document

* Remove logging

* Rotate around centre of viewport

* Rotate with shift + MMB drag

* Zoom with +/- keys

* Rotation input field

* Implement frontend zoom buttons

* Zoom with ctrl + MMB

* Format

* Update number inputs

* Require Ctrl + Plus / Minus key

* Ctrl scroll

* Update zoom -> Multiply Zoom

* Fix typo

* More fixing typo

* Remove :v-on

* Add mouse scroll X

* Scrolling on document

* Refactor

* Format

* Fix ctrl + plus/minus to zoom

* Reduce zoom sensitivity

* Ctrl + shift + mmb drag = snap rotate

* Further reduce zoom speed

* Add ctrl + number key to change zoom

* Switch Ctrl and Shift for zoom and rotate

* Fix compile errors

* Format JS

* Add increment to snap angle

* Edit getting layerdata functions

* Pass viewport size directily into create_document_transform_from_layerdata

* Add to_dvec2()

* Refactor get_transform

* Get -> Calculate

* Add consts

* Use to_radians

* Remove get from function names

* Use .entry when getting layerdata that does not exist

* Fix distance scroll calculations

* Fix zooming.

* Remove 'Violation' in chrome

* Fix compile errors

core/editor/src/communication/dispatcher.rs

@@ -27,6 +27,8 @@ impl Dispatcher {
 				| Message::InputMapper(_)
 				| Message::Document(DocumentMessage::RenderDocument)
 				| Message::Frontend(FrontendMessage::UpdateCanvas { .. })
+				| Message::Frontend(FrontendMessage::SetZoom { .. })
+				| Message::Frontend(FrontendMessage::SetRotation { .. })
 				| Message::Document(DocumentMessage::DispatchOperation { .. })
 		) || MessageDiscriminant::from(&message).local_name().ends_with("MouseMove"))
 		{