[ARFC] Add MAI to Arbitrum Aave V3 Market

To align on a single recommendation for launch parameters, and given the lower debt ceiling in the Gauntlet proposal, we support launching with the following parameters:

Risk Parameter Recommendation
Isolation Mode YES
Enable Borrow YES
Enable Collateral YES
Loan To Value 75%
Liquidation Threshold 80%
Liquidation Bonus 5%
Reserve Factor 20%
Liquidation Protocol Fee 10%
Borrow Cap 2,400,000
Supply Cap 4,800,000
Debt Ceiling $1,200,000
Base 0%
Slope1 4%
Uoptimal 80%
Slope2 75%