animated_category 0.0.3+1

Flutter library for picking category

[0.0.3] - Update library to null safery

• Fixes and change some params as optional
• Clean up and improve code

[0.0.1-null-safety] - Update library to null safery

• Update library to null-safety
• Fix bugs

[0.0.2] - TODO: Add release date.

• TODO: Update read.me

[0.0.1] - TODO: Add release date.

• TODO: Initial release