Prop 229: Add AQLA Metadata to Gravity Bridge

This proposal is to add the Aqla metadata to Gravity Bridge as it is necessary for the ERC20 representation. Base denom is uaqla and the path is transfer/channel-107. IBC Hash is ibc/3DA3455A6E8EBE1C7EF5C83FDED825B94C13A9303A7FA54C098F13A091B00CE1