[Deliverable] Chat SDK Bindings

[fryorcraken]

Owner: App/Chat Dev

Feature: Chat SDK

Dependencies: #316

FURPS:

For library ChatSDK:

• U3. Minimal example of the ChatSDK is no more than 25 lines of code.

• S3. library can be used in Go applications; available on pkg.go.dev.

• S4. library can be used in Rust applications; import via git path.

Checklist:

• Specs: API definition
• Code: link to GitHub issues/PRs/Epic
• Dogfood: link to dogfooding session/artefact
• Docs: links to README.md or docs.waku.orgAPI definition? (TBD)

[fryorcraken]

Need to refocus on Logos Core and clarify needs for Golang with status-go "supporting nimble" libraries.