Chore: weekly repo cleanup

[scode2277]

In thi PR:

• fixed 'mdxTextExpression' build errors (triggered by 'Revision' heading in the certs files): fixed by moving the heading right after the description
• fixed broken SEAL Code of Conduct link
• fixed mermaid dark mode visibility
• simplified post-build scripts console logs: removed too verbose console logs
• added guidance for too long files to contribution docs
• cleaned up numbered heading in awareness fw
• fixed linter outputs
• fixed spellchecker outputs
• synced badges
• synced tags
• synced indexes

Frameworks PR Checklist

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• Describe your changes, substitute this text with the information
• If you are touching an existing piece of content, tag current contributors from the attribution list
• If there is a steward for that framework, ask the steward to review it
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