ENSv2 indexing requirements

[lightwalker-eth]

Official Deliverable Description:

Coordinate with the ENS Labs team to identify and document the key requirements for transitioning the official ENS manager app and ENSjs to ENSNode and for supporting their ENSv2 requirements.

Related PRs:

• WIP: implement ens-ponder as ens-v2 plugin for sepolia #351
• Refactor ENSv2 Plugin #356

[lightwalker-eth]

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