Update rpc-providers.md

[yunseonna]

Proposing to update additional possible public RPC endpoint powered by All That Node.

Docs PR Template

Why this should be merged

Proposing to update additional possible public RPC endpoint powered by All That Node.

How this works

Just endpoints and links about new features

How these changes were tested

To prevent any errors while building

• [] run vale /docs/file/path on all changed .md files to ensure all grammar rules pass
• [] run markdownlint /docs/file/path on all changed .md files to ensure all linting rules pass
• [] complete the above two checks and all additional rules outlined in style-checker-notes.md to
  ensure all checks pass

If a document was removed/deleted

• [] the path to that doc must be redirected to a valid URL via the
  _redirects file
• [] _redirects were manually verified with the cloudflare preview link
• [] sidebars.json reflects all changes made to file path

If a document was moved

• [] all files that were moved from their current directory to a new path have had their paths
  redirected via the _redirects file
• [] _redirects were manually verified with the cloudflare preview link
• [] sidebars.json reflects all changes made to file path

[laviniat1996]

@yunseonna Hi, can you please address the failed checks?

[yunseonna]

@laviniat1996
I received the following error: "Error: reviewdog exited with status code: 1." in the Cl/ runner/vale (pull_request) .

Could you explain why it failed and how I can fix it?

[laviniat1996]

@yunseonna the vale checker just didn't like some words, so I turned it off for some lines. All checks pass now, so merging this! thank you for contributing

[yunseonna]

Hi @laviniat1996

Thank you for your responses. I just noticed that the service name is incorrectly entered. Could you please change it from "All That Nodes" to "All That Node"?

Thank you!