[Proposal] Mainnet Deployment of Stellar Connectivity via Axelar Amplifier

Proposals are being made to approve the Stellar instantiation of the Gateway at the Router, and to authorize and register the Multisig Prover with the Multisig contracts as part of the mainnet rollout of Stellar connectivity via Amplifier.

This proposal will include:
:white_check_mark: Register Stellar Gateway for Stellar at the Router contract.
:white_check_mark: Register Multisig Prover for Stellar at the Coordinator contract
:white_check_mark: Authorize Multisig Prover for Stellar at the Multisig contract.
:white_check_mark: Create reward pool for Stellar in Stellar Voting Verifier.
:white_check_mark: Create reward pool for Stellar in Axelar multisig.

Stellar Amplifier Mainnet Contract addresses will be:

See here for polls completed on testnet.