[ACP-141] Interchain Token Transfers

[minghinmatthewlam]

ACP: 141
Title: Interchain Token Transfer  
Author(s): Matthew Lam <https://github.com/minghinmatthewlam>
Status: Implementable
Track: Best Practices
Replaces (*optional): n/a
Superseded-By (*optional): n/a

Abstract

Proposes a best practices standard for token transfers between Avalanche L1s using interchain messaing (ICM) and Teleporter.