Support Ink Chain Bridging Routes

Summary

Author(s): Ink Chain Status: Proposed Related Discussions: https://forum.across.to/t/support-ink-chain-bridging-routes/2022/2 --- ### Summary: The Ink core team proposes the integration of Across to Ink. In collaboration with the Across core team, the Ink team has been working to ensure the new chain requirement and technical feasibility (more below in the implementation section) regarding the implementation of the bridge...