Kotlin/Wasm WASI Bindings Experiments

Uses new unsafe linear memory APSs kotlin.wasm.unsafe.* and annotation kotlin.WasmImport.

Bindings are generated from https://github.com/skuzmich/wasi-witx-kotlin-hacks/blob/kotlin-hacks/crates/witx-bindgen/src/lib.rs for wasi_snapshot_preview1 version of WASI API.

Needs a fresh kotlin installed to maven local:

~/kotlin $ ./gradlew install --parallel

Testing

./gradlew wasmTest