message: updated main tag to use min file
diff: "description": "JavaScript PowerPoint Library",
  "homepage": "https://gitbrent.github.io/PptxGenJS/",
  "license": "MIT",
  - "main": "dist/pptxgen.js",
  + "main": "dist/pptxgen.min.js",
  "dependencies": {
  "express": "^4.16.3",
  "https": "^1.0.0",
  