message: moved express to devdeps
diff: "path": false
  },
  "dependencies": {
  - "express": "^4.17.1",
  "https": "^1.0.0",
  "image-size": "^0.8.1",
  "jsdom": "^15.1.0",
  "devDependencies": {
  "@types/jszip": "^3.1.6",
  "@types/node": "^12.7.5",
  + "express": "^4.17.1",
  "gulp": "^4.0.2",
  "gulp-concat": "^2.6.1",
  "gulp-delete-lines": "0.0.7",
  