Fix geometry circular dependency loading order

packages/geometry/src/BezierCurve.ts

@@ -1,5 +1,4 @@
-import { Point } from './Point';
-import { Polygon } from './Polygon';
+import { Point, Polygon } from './index';
 
 export enum BezierCurvepPoints {
 	SOURCE = 0,

packages/geometry/src/Polygon.ts

@@ -1,6 +1,6 @@
-import { Point } from './Point';
 import * as _ from 'lodash';
 import { Matrix } from 'ml-matrix';
+import { Point, Rectangle } from './index';
 
 export class Polygon {
 	protected points: Point[];
@@ -132,5 +132,3 @@ export class Polygon {
 		return new Rectangle(new Point(minX, minY), new Point(maxX, minY), new Point(maxX, maxY), new Point(minX, maxY));
 	}
 }
-
-import { Rectangle } from './Rectangle';

packages/geometry/src/Rectangle.ts

@@ -1,5 +1,4 @@
-import { Point } from './Point';
-import { Polygon } from './Polygon';
+import { Point, Polygon } from './index';
 
 export class Rectangle extends Polygon {
 	constructor(tl: Point, tr: Point, br: Point, bl: Point);