docs: fix some archived repo links, update helia info

[dozyio]

Describe your changes

• Fixed some archived repo links
• Update some Helia info

Files changed

docs/community/contribute/ways-to-contribute.md
docs/concepts/dht.md
docs/concepts/file-systems.md
docs/how-to/publish-ipns.md

Checklist before requesting a review

• Passing the beta version of the Check Markdown links for modified files check. Action results can be viewed here.

Checklist before merging

• Passing all required checks (The beta Check Markdown links for modified files check is not required)

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