Add a contract that can refund to community pools

Takes connection-id to remote chain as a parameter
On instantiation, create an ICA account on the remote chain
Allow anyone to send funds to the ICA on the foreign chain (including an Interchain Router from a covenant)
Anyone can permissionlessly execute a {"refund": { "amount" : amount, "denom": denom}} message that executes MsgFundCommunityPool from the ICA

timewave-computer / covenants