* add k/wasm support

* ES6 for skiko wasm

Fix build files

Add SkikoCallbacks external funs

Add GL external object

* cleanup

* Update SkiaMultiplatformSample Composite build to run with k/wasm

* Update SkiaJsSample

* Update CI config

* cleanup

* Fix CI

* Add -O2 flag to emcc link stage

* cleanup

* cleanup

* update wasm.yml

* update maven repositories

* fixes after rebase

* enable supportJs when supportWasm is true

* Add a temporary coroutines version substitution for non-wasm

* Apply PR review suggestions

* Use coroutines 1.8.0-RC

* Workaround an issue with atomicfu 0.23.1 - Add an explicit dependency on atomicfu from nativeMain

* Fix typo

* Renamed SKIKO_COMPOSITE_BUILD to skiko.composite.build in SkiaJsSample

* Remove wasm/experimental maven repo

* Remove wasm/experimental maven repo

* Add wasmArtifactId to skikoArtifactIds

* Remove redundant comment

---------
Co-authored-by: igoriakovlev <54274820+igoriakovlev@users.noreply.github.com>
Co-authored-by: Ilya Goncharov <ilya.goncharov@jetbrains.com>
Co-authored-by: Oleksandr Karpovich <oleksandr.karpovich@jetbrains.com>