Added Functionland Fula network pinning service

[ehsan6sha]

Added Functionland Fula network as a pinning service. The corresponding web-ui PR is: https://github.com/ipfs/ipfs-webui/pull/2242

Describe your changes

Added Functionland Fula pinning service and ipfs endpoints.

Files changed

• .github\styles\Vocab\ipfs-docs-vocab\accept.txt
• .github\styles\pln-ignore.txt
• \docs\concepts\persistence.md
• \docs\how-to\peering-with-content-providers.md
• \docs\how-to\work-with-pinning-services.md
• \docs\quickstart\publish.md
• \docs\quickstart\publish_cli.md

What issue(s) does this address?

Functionland Fula network is a decentralized ipfs pinning service with 900 globally distribute and individually owned nodes that is missing from the documentation as a major player in ipfs ecosystem

Does this update depend on any other PRs?

Web-ui addition of functionland

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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