Manual Drawing: proof-of-concept

[madil4]

• How to transition from 3D to 2D
  • A button to activate drawing (transition to the 2D plan) @kaison428
• How to draw in 2D
  • It should be able to add, remove, and edit points @ENG-Mazri
• How to integrate with Awatif's viewer and grid @madil4

const drawing = {
  normal: van.model([1,0,1]),
  polyline: van.model([[0,0,1],[3,2,4],[3,2,1]])
}