Crate sg1

Enums

• FeeError

Functions

• checked_fair_burn
  Burn and distribute fees and return an error if the fee is not enough
• fair_burn
  Burn and distribute fees, assuming the right fee is passed in
• ibc_denom_fair_burn
  IBC assets go to community pool and dev 7/29/23 temporary fix until we switch to using fairburn contract