Fix/improve audits docs

[eloi010]

Improved the Audits documentation page

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Note

Expands and restructures docs/audits.md with new burn mechanism and tokens/airdrop sections, adds latest rollup audit links, and fixes/normalizes URLs and headings.

• Docs (docs/audits.md):
  • New sections:
    • Linea Burn Mechanism audits with Diligence, OpenZeppelin, and Cyfrin links.
    • Linea Tokens and Airdrop audits with Diligence, OpenZeppelin, and Cyfrin links.
  • Rollup/L2MessageService/TokenBridge:
    • Organized by audit rounds; added Fifth Round links (Diligence, OpenZeppelin, Cyfrin).
    • Normalized headings for Second and First rounds; cleaned separators.
  • Link fixes:
    • Updated ZKSecurity June 2024 URL for Wizard's crypto & math.
  • Formatting:
    • Added horizontal rules and minor consistency tweaks.

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[Copilot]

Pull Request Overview

This PR updates the audits documentation with URL corrections and formatting improvements for better readability.

• Updated ZKSecurity.xyz audit report URL to use the new subdomain structure
• Added consistent blank line spacing around section separators and headings throughout the document

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[Copilot]

Pull Request Overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated no new comments.

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