extended_list 2.0.1

extended list support track collect garbage/viewport indexes, build lastChild as special child and enable to layout close to trailing.

[2.0.1]

• fix viewport wrong index for SliverGrid #4.

[2.0.0]

• breaking change: fix typo(fullCrossAxisExtend => fullCrossAxisExtent)

[1.0.1]

• add miss dragStartBehavior

[1.0.0]

• fix analysis_options.
• support ScrollViewKeyboardDismissBehavior(breaking change 1.17.0)

[0.1.5]

• fix histest when closeToTrailing is true.

[0.1.4]

• add web demo.

[0.1.3]

• fix issue about last one as foot.

[0.1.2]

• add license.

[0.1.1]

• reduce description.

[0.1.0]

• first release.