This proposal aims to register Tether USD from AssetHub (Polkadot native) on Zeitgeist.

Schedule the currently externally-proposed majority-carries referendum to be tabled
immediately. If there is no externally-proposed referendum currently, or if there is one
but it is not a majority-carries referendum then it fails.

The dispatch of this call must be `FastTrackOrigin`.

- `proposal_hash`: The hash of the current external proposal.
- `voting_period`: The period that is allowed for voting on this proposal. Increased to
	Must be always greater than zero.
	For `FastTrackOrigin` must be equal or greater than `FastTrackVotingPeriod`.
- `delay`: The number of block after voting has ended in approval and this should be
  enacted. This doesn't have a minimum amount.

Emits `Started`.

Weight: `O(1)`

- **Problem Statement:** Register Tether USD from AssetHub on Zeitgeist for the Polkadot community.
- **Significance:** Enhancing the usability and accessibility of Tether USD for the Polkadot ecosystem.
- **Proposed Solution:** Register Tether USD from AssetHub on Zeitgeist.
- **Expected Outcomes:** Improved usability and accessibility of Tether USD within the Polkadot ecosystem.

#24 Register Tether USD (Polkadot AssetHub)