utils/config_loader library

1. cardinal_cli package
2. documentation
3. utils/config_loader.dart

cardinal_cli package

1. Libraries
2. cardinal_cli
3. commands/add_command
4. commands/init_command
5. commands/new_command
6. templates/template_constants
7. templates/templates
8. utils/config
9. utils/config_loader
10. utils/file_generator
11. utils/logger
12. utils/project_creation
13. utils/project_locator