[Tracking] Archive unmaintained and unused Devhub repositories

[nuke-web3]

We may also consider deleting repositories that are no longer relevant or useful:

• [x] https://github.com/substrate-developer-hub/substrate-proof-of-existence
  • Covered in tutorials already?
• [ ] https://github.com/substrate-developer-hub/utxo-workshop
  • Highly requested to this day... maybe we can point those to https://github.com/kulupu/kulupu ?
• [ ] https://github.com/substrate-developer-hub/rustdocs
  • @jimmychu0807 related to #352 we might want to simply copy these builds into the new repo?
• [ ] https://github.com/substrate-developer-hub/substrate-tools
  • @chevdor @stiiifff maybe marketplace replaces this...? and the Awesome list?
• [ ] https://github.com/substrate-developer-hub/migration-example
  • Related to #163 cc @apopiak
• [x] https://github.com/substrate-developer-hub/frontier-workshop/
  • @JoshOrndorff you gave a great sub0 workshop that should replace this soon?
  • https://github.com/substrate-developer-hub/substrate-docs/issues/177

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Related to the already archived https://github.com/substrate-developer-hub/substrate-enterprise-sample cc @riusricardo

• [ ] https://github.com/substrate-developer-hub/substrate-cms
• [ ] https://github.com/substrate-developer-hub/pallet-did

[sacha-l]

@NukeManDan : IIRC this list has been taken care of. Can you confirm and close here if this is the case? Thanks 😎

[nuke-web3]

No, all of these unchecked are still in need of feedback and all still are public regular repos (not archived) 🙏