Add Kotlin/WASM support

[rcd27]

Compose is available to target Kotlin/WASM, that would be perfect to have reactive sockets there.

[whyoleg]

Notes here:

• coroutines only support WasmJs target for now
• ktor support WasmJs only in 3.0.0-beta

So proper support will be available only after ktor 3.0 will be released.

[rcd27]

Also see: https://youtrack.jetbrains.com/issue/KTOR-6690/Support-for-WebSockets-when-targeting-WASM

[rcd27]

Seems like WASM support is on its way:
https://github.com/ktorio/ktor/releases/tag/3.0.0-beta-2

[philip-segerfast]

Ktor 3.0.0 is now released