flutter_calendar_week 3.0.3

Flutter calendar week UI package

[3.0.3]

• Update intl 0.19.0
• Update supported Dart version up to 4.0.0

[3.0.2]

• Update CHANGELOG

[3.0.1]

• Update intl 0.18.1

[3.0.0]

• Replace FlatButton by Container
• Use BoxShape for dayShapeBorder instead ShapeBorder

[2.1.1]

• Support more scroll behavior

[2.1.0]

• Added custom view for month header

[2.0.0-nullsafety.1]

• Support Null-Safety

[1.1.0]

• [Make pure package] Remove dartz, rxdart

[1.0.3+2]

• Unit test comeback

[1.0.3+1]

• Release 1.0.3+1

[1.0.0]

• Init version