HIP-28 Fee Collection feature enablement

This governance vote is to get all the validator on the network to vote for the fee collection feature discussed https://talk.harmony.one/t/hip-28-fee-collection/21783

A FAQ has also been created here : https://docs.google.com/document/d/1DWck_ewWG5ewnE7V2juXWw15Xw_95plUWjfBsVDiDts/edit?usp=sharing to help answered queries.