checkbox_grouped 0.2.1+1

flutter widget that grouping checkbox, recuperate the actual selection,support multiple selection

[0.2.1+1] - fix err

[0.2.1] - fix err

* add selection function in groupedchips that missed in previous version

[0.2.0+1] - fix readme

[0.2.0] - add new feature

* add chip group

[0.1.4] - add new feature

* add Title for each group
* make Title selected for multiple selection

[0.1.3+1] - fix readme

[0.1.3] - add new feature

• circulaire checkbox

[0.1.2+17] - fix CHANGELOG

[0.1.2+16] - fix readme file

[0.1.2+15] - add new feature

* add pre-selection element for multiple selection
* add example section

[0.1.2+14] - fix First Element selection.

[0.1.2+13] - fix README.

[0.1.2+12] - fix CHANGELOG.

[0.1.2+11] - fix errors.

[0.1.2+1] - fix errors.

[0.1.2] - fix errors.

[0.1.1]

• Add example in example/

[0.1.0] - INITIAL RELEASE

• contain simple and basic widget to grouping checkbox.