message: Reduce NPM package size
diff: "version": "5.3.0",
  "description": "Define Mongoose models using TypeScript classes.",
  "main": "lib/typegoose.js",
  + "files": [
  + "lib/*.js",
  + "lib/*.d.ts"
  + ],
  "scripts": {
  "start": "npm run build && node ./lib/typegoose.js",
  "build": "rimraf lib && tsc",
  