hello publish
package publish to pub.dev
publish
dart pub login
dart pub publish --dry-run
dart pub publish
post content
├── CHANGELOG.md (<1 KB)
├── LICENSE (1 KB)
├── README.md (<1 KB)
├── lib
│ └── hello_publish.dart (<1 KB)
└── pubspec.yaml (<1 KB)
usage
dart pub add hello_publish