message: package: update storybook command and remove build command
diff: "test": "cross-env CI=true lerna run test --since origin/master -- --coverage",
  "create-plugin": "backstage-cli create-plugin",
  "lint": "lerna run lint",
  - "storybook": "yarn workspace @spotify-backstage/core storybook",
  - "build-storybook": "yarn workspace @spotify-backstage/core build-storybook"
  + "storybook": "yarn workspace storybook start"
  },
  "workspaces": {
  "packages": [
  