Instance Fast Instantiation

In Wasmtime they pioneered Fast Instantiation of instances, and those are the patterns:

https://docs.wasmtime.dev/examples-fast-instantiation.html

- the Pooling Allocator: @chirino did some work in this area: https://github.com/roastedroot/proxy-wasm-java-host/blob/fdae031d94278a8e0a14dcdac7c90851a3c16f88/proxy-wasm-java-host/src/main/java/io/roastedroot/proxywasm/internal/Pool.java#L6
- COW Memory: we got reported some success in going down this path and seems like a great thing to have: https://github.com/HubSpot/boomslang/blob/fdc37eec559bafbfcd20ca10fa49344cbae5a4ce/core/src/main/java/com/hubspot/boomslang/CopyOnWriteMemory.java