Rust SDK

[sanposhiho]

What would you like to be added:

Rust SDK.

Why is this needed:

Currently, we offer TinyGo SDK only, which works basically because Go is a primary language in K8s world.
But, we also know its performance is limited due to the inlined GC, which we can never avoid as long as we use TinyGo, or even if we switch to Go SDK.

So, we expect Rust to offer a more performant SDK. After all, users would be able to choose the SDKs based on their performance requirement and preference.

Completion requirements:

This enhancement requires the following artifacts:

• Implement a new SDK
• Docs update

[sanposhiho]

/cc @dejanzele

[jgiannuzzi]

Hey @sanposhiho 👋
I'm @dejanzele's Kubecon co-speaker and I'm trying to work on this Rust SDK!

[sanposhiho]

Thanks,
/assign @jgiannuzzi