message: package.json: add backstage-create script
diff: "lint:all": "lerna run lint --",
  "lint:type-deps": "node scripts/check-type-dependencies.js",
  "docker-build": "yarn tsc && yarn workspace example-backend build --build-dependencies && yarn workspace example-backend build-image",
  - "create-plugin": "backstage-cli create-plugin --scope backstage --no-private",
  + "backstage-create": "backstage-cli create --scope backstage --no-private",
  + "create-plugin": "yarn backstage-create --select plugin",
  "remove-plugin": "backstage-cli remove-plugin",
  "release": "changeset version && yarn diff --yes && yarn prettier --write '{packages,plugins}/*/{package.json,CHANGELOG.md}' && yarn install",
  "prettier:check": "prettier --check .",
  