shimmer 0.0.6

A package provides an easy way to add shimmer effect in Flutter project

[0.0.6] - 2018-14-11

• add code document

[0.0.5] - 2018-08-10

• re-config to support Dart2

[0.0.4] - 2018-06-20

• update metadata

[0.0.3] - 2018-06-07

• add direction property to allow customizing animation direction
• BREAKING: define a new default constructor to allow customizing gradient pattern, the old default construct is renamed to Shimmer.fromColors

[0.0.2] - 2018-06-07

• update metadata

[0.0.1] - 2018-06-06

• Initial release.