Hello world Kotlin Jetpack Compose Example; Fixes:#3550 #2013

Job	Run time
test-docs	5m 38s
build-linux / run	13m 50s
build-windows / run	16m 25s
compiler-bridge / run	1m 27s
lint-autofix / run	2m 35s
itest (11, ci/test-mill-dev.sh && ci/test-mill-release.sh && ./mill -i -k __.ivyDepsTree && ./mil... / run	3m 39s
itest (17, ci/test-mill-bootstrap.sh) / run	8m 57s
linux (17, true, 'example.javalib.__.local.testCached') / run	24m 48s
linux (17, true, 'example.kotlinlib.__.local.testCached') / run	29m 26s
windows (11, "example.scalalib.{basic,web}.__.fork.testCached") / run	14m 25s
windows (11, "{main,scalalib,bsp}.__.testCached") / run	14m 37s
windows (11, 'integration.invalidation[_].server.testCached') / run	14m 34s
windows (11, contrib.__.testCached) / run	6m 45s
windows (17, 'integration.{feature,failure}[_].fork.testCached') / run	16m 6s
	2h 53m 12s

Provide feedback