V2.0.17

In this version:

• Add option to hide search bar

    showCountryPicker(
      context: context,
      showSearch: false,
      onSelect: (Country country) => print('Select country: ${country.displayName}'),
    );

• Add searchTextStyle

    showCountryPicker(
      context: context,
      countryListTheme: CountryListThemeData(
        searchTextStyle: TextStyle( // Optional. Styles the text in the search field
          color: Colors.blue,
          fontSize: 18,
        ),
      ),
      onSelect: (Country country) => print('Select country: ${country.displayName}'),
    );

• Removed the need of worldwide.png and changed to '🌍' emoji