Admin entrypoints

These entrypoints can be called only by admin address that is set in the storage of the contract.

set_adminconfirm_adminset_feesset_reward_per_secondset_burnerset_baker_registryset_is_v1_lpban_bakersadd_new_farmpause_farmsburn_tez_rewardsclaim_farm_rewardswithdraw_farm_depoupdate_token_metadata