Proposal: Add Metis Chain support for MAI Bridging
--MAI and Stargate-- MAI is currently listed on Stargate on Optimism, Arbitrum, Polygon, Ethereum, Avalanche, and BNB.
MAI's deployment on Stargate enjoys liquidity support from QiDao. This reduces the cost of capital for Stargate to 0% for maintaining liquidity for MAI.
--Motivation-- Currently, the only major stablecoin proj