* Correcting usage of length instead of isEmpty
* Officially supporting Dart 3
* Correcting README formatting, fixing example mocks, adding documentation for APIs
* Upgrading packages, support Dart version
* Improving documentation
* Updating API to support JSON response of custom objects
* Correcting screenshots in readme
* Adding screenshots to readme, updating example project
* Refactored entire API, exposed two ways to instantiate widget
* Upgraded dependency of http library to 0.13.0 and made changes according to it's changed API
* Added required attributes (opted to Null safety)
* Upgraded dependency of http library to 0.12.2, added documentation
* Shortened description of package and formatted main dart file
* Fixing initial values and changes according to Flutter package scoring
* Enabled parsing of urls to populate drop down.