elements/country_picker_default_ui library

1. atlas_picker package
2. documentation
3. elements/country_picker_default_ui.dart

atlas_picker package

1. Libraries
2. elements/country_list
3. elements/country_picker_content
4. elements/country_picker_default_ui
5. elements/responsive_helper
6. elements/smart_overlay
7. elements/state_picker_content
8. elements/state_picker_default_ui
9. model/country_model
10. picker
11. pickers/country_picker
12. pickers/state_picker