fluent_appbar 2.0.0

Fluent AppBar is a package to recreate the iOS large text title bar with a Material design

[0.0.1] - TODO: Add release date.

• init

[0.0.2] - 2020-07-02

• Added the appbar code and example poject

[1.0.0] - 2020-07-02

• Update the readme and prepare for first release

[2.0.0] - 2021-07-11

• Upgrade null safety and update example