SPL Transfer Hook CLI v0.1.0

A CLI for working with Transfer Hook programs!

This CLI supports managing the additional account metas that a program may require to perform a transfer via a hook.

For more information on Transfer Hook and Token2022, see the Token2022 Extension Docs for Transfer Hook.

This CLI can:

• Create a validation account containing TLV-encoded data describing configurations for extra required account metas for an Execute instruction (#5659)
• Update those extra account meta configurations (#5894)
• Create or update the extra account meta configs using JSON or YAML configuration files (#5997)

Shout out to the contributors @joncinque @tonton-sol !