Update rx_bloc and widget_toolkit ecosystems to support rxdart 0.28.0

[StanevPrime]

This ticket serves as an epic.

As a developer I want the rx_bloc package to have the maximum score in pub.dev - https://pub.dev/packages/rx_bloc/score

ACs:

• [x] Follow Dart file conventions
• [x] Support up-to-date dependencies
• [x] Update the rx_bloc related packages
• [x] Add topics for packages
• [x] Update the rx_bloc example projects
  • [x] Github search ~- [ ] ToDo App~ Will be addressed separately in #762
  • [x] Other example projects
• [x] Update rx_bloc_cli package
  • [x] Make use of the updated rx_bloc packages in the generated project
  • [x] Update rxdart to 0.28.0 in the generated project
  • [x] Update other dependencies in the generated project

Packages

Because some packages depend on other listed packages, the release cycle will proceed in a specific order from top to bottom.

rx_bloc ecosystem related packages ( #771 )

• [x] rx_bloc
• [x] rx_bloc_generator
• [x] flutter_rx_bloc
• [x] rx_bloc_test
• [x] rx_bloc_list

widget_toolkit ecosystem related packages:

• [x] widget_toolkit ( https://github.com/Prime-Holding/widget_toolkit/pull/123 ) @DDavidPrime
  • [x] widget_toolkit example project
• [x] widget_toolkit_qr (https://github.com/Prime-Holding/widget_toolkit/pull/124) @DDavidPrime
  • [x] widget_toolkit_qr example project
• [x] widget_toolkit_otp (https://github.com/Prime-Holding/widget_toolkit/pull/125) @DDavidPrime
  • [x] widget_toolkit_otp example project
• [x] widget_toolkit_biometrics (https://github.com/Prime-Holding/widget_toolkit/pull/126) @GoranPrime
  • [x] widget_toolkit_biometrics example project
• [x] widget_toolkit_pin (https://github.com/Prime-Holding/widget_toolkit/pull/126) @GoranPrime
  • [x] widget_toolkit_pin example project

widget_toolkit ecosystem related packages:

• [x] widget_toolkit package-related examples

rx_bloc_cli package ( #704 ) :

• [x] rx_bloc_cli generated project

Manual tests

When performing manual tests for given packages, be sure to cover the following scenarios:

rx_bloc ecosystem related packages:

• [ ] booking app
• [ ] counter app
• [ ] reminders app
• [ ] favorites app
• [ ] flutter_rx_bloc example app
• [ ] rx_bloc example app

[StanevPrime]

@GoranPrime please proceed with the following packages once the widget_toolkit PR is merged

• widget_toolkit_otp
• widget_toolkit_biometrics
• widget_toolkit_pin

[StanevPrime]

@DDavidPrime please proceed with the following packages

• widget_toolkit
• widget_toolkit_qr