Fix outdated documentation

[rosenpin]

• update examples in README to use Kotlin
• update setTimeout to use Kotlin's duration
• add jetpack compose usage example using AndroidView

[ebayraktar]

Hi @rosenpin, please check this commit. Maybe we can add a new library as compose.

[rosenpin]

Hi @rosenpin, please check this commit. Maybe we can add a new library as compose.

Sure, it's possible, probably should be a different library though to not make the library too convoluted and heavy