[FEATURE] `useFlowAuthz` function

[jribbink]

Issue to be solved

We need a way for custom signer orchestration and multisig to be achieved through react sdk, like it can be in fcl.

ref: https://discord.com/channels/613813861610684416/1162086721471647874/1421592399074824213

Suggest A Solution

No response

What are you currently working on that this is blocking?

No response