[light-client] Experimental support with smoldot #962
Description
Add experimental support for the light-client integration in subxt.
The end goal is for subxt to expose a LightClient that utilises smoldot under the scenes.
- expose an
experimental-light-clientfeature flag - implement
RpcClientTfor the exposed light client - adjust/modify/remove results of requests/subscriptions coming from Smoldot to align with Substrate produces responses