message: Add create-app yarn command to package.json
diff: "lint:all": "lerna run lint --",
  "docker-build": "yarn bundle && docker build . -t spotify/backstage",
  "create-plugin": "backstage-cli create-plugin",
  + "create-app": "backstage-cli create-app",
  "release": "if [ \"$(git symbolic-ref --short HEAD)\" = master ]; then echo \"don't try to release master\"; exit 1; else lerna version --no-push; fi",
  "lerna": "lerna",
  "storybook": "yarn workspace storybook start"
  