feature(link): Added Aderyn Under Audit Section

[cromewar]

This pull request Adds Aderyn under the Audit tools; I think it is important as Aderyn is getting traction, and it's a powerful Rust-based static analyzer tool; it's also open source, so anyone can contribute.

Checklist

• [x] The URL is not already present in the list (check with CTRL/CMD+F in the raw markdown file).
• [x] Each description starts with an uppercase character and ends with a period.
  Example: solc-js - JavaScript bindings for the compiler.
• [x] Drop all A / An prefixes at the start of the description.
• [x] Avoid using the word Solidity in the description.