v7.0.1

[7.1.1]

• #93 Added methods to generate asset paths for flags based on country codes and sizes.
• #93 Enhanced the Flag widget to utilize the new asset path methods.
• #93 Improved widget tests to cover new functionalities and ensure robustness.
• #93 Updated iOS deployment target to 12.0 and adjusted project settings accordingly.
• #93 added some widget tests to verify that all flags can be rendered.
• #90 reduce the size of the SVGs.