Feature Request: Create a ktx module with common boilerplate code

[DanielJette]

Is your feature request related to a problem? Please describe.

There's a lot of stuff everyone does with Testify, like creating a test harness Activity, enabling flags, customizing the Test Runner, etc. It would be handy if this boilerplate was provided as an additional ktx module.

This feedback relates to:

• [x] The Kotlin library
• [ ] The Gradle plugin
• [ ] The IntelliJ Platform plugin
• [ ] The sample code
• [ ] The documentation

Describe the solution you'd like A clear and concise description of what you want to happen.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.