feat(rln): integrate browser proof verification with nwaku proof validation

[adklempner]

Description

With #2716 we test RLN proof generation in WASM against RLN proof validation in WASM.

For proper integration with logos messaging, RLN proofs generated in the browser need to be validated by nwaku nodes.

User Story

As a developer, I want to be able to generate an RLN proof for a message in the browser that passes nwaku validation and propagates to the rest of the network.

Proposed Solution / Feature Design

Optional: Diagram or Draft of Design

Notes