cheng-utils/index.ts

there will publish something my common utils, you guy's can try it! I will integrate the commma in to there

import * as ChengComma from "./lib/number-or-string-to-comma";
import * as ChengArray from "./lib/array-generator";
import { ChengBezier } from "./lib/bezier";

export { ChengComma, ChengArray, ChengBezier };