message: package: change main and module entry points
diff: "name": "@maticnetwork/matic.js",
  "version": "0.0.1-beta.1",
  "description": "Javascript developer library for interacting with Matic Network",
  - "main": "lib/index.js",
  + "main": "dist/matic.umd.js",
  + "module": "lib/index.js",
  "directories": {
  "lib": "./lib"
  },
  