chore: improve Ecosystem.md linter to lint all sections

[nooreldeensalah]

Extend the ecosystem linter functionality (module name validation + ordering) to all Ecosystem.md sections (Core, Community, Community Tools) instead of Community only.

Relevant Issues/PRs: #4256 #4257

Checklist

• run npm run test and npm run benchmark
• tests and/or benchmarks are included
• documentation is changed or added
• commit message and code follows the Developer's Certification of Origin
  and the Code of conduct

[mcollina]

lgtm

[jsumners]

Looks good to me.

[jsumners]

We can cache this startsWith since it is used again later.

[nooreldeensalah]

Thank you for your suggestion, I've added a commit to address this change.
I've also added two more commits:

• One commit to extend the functionality of the ordering to all sections.
• Another commit to fix out of order modules in the Core section.

If you feel like the last two commits are irrelevant to this PR, or not required, I can drop them if you wish

P.S.: It might be easier to view the diff through the individual commits

Edit: I've refactored the file, this comment is a little out-of-date, please re-review the total diff again

[nooreldeensalah]

I've added a few commits to extend the functionality to all sections (ordering + validation), and I've fixed a few out of order modules in the Core section

Note: I think it would have been better to rebase and squash the commits, but I thought you will be squashing the commits anyway, so in case of a re-review, please check the total-diff instead of the individual commits

[Eomm]

Could you merge main?
CI is red because of #4260

[github-actions]

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