[Refactor] Move strokeShape from LGraphCanvas to draw (#435)

* [Refactor] Move strokeShape from LGraphCanvas to draw

* Fix round radius

* nit

* nit

* nit

src/litegraph.ts

@@ -83,6 +83,7 @@ export type {
 export { CanvasPointer } from "./CanvasPointer"
 export { Reroute } from "./Reroute"
 export { createBounds } from "./measure"
+export { strokeShape } from "./draw"
 
 export function clamp(v: number, a: number, b: number): number {
   return a > v ? a : b < v ? b : v