Add feature: updating developer roadmap and 2024 courses

[cromewar]

• Aderyn was added to the libraries section (rust-based static analyzer tool).
• Updated the article to a 2024 roadmap to become a blockchain engineer.
• Updated the courses by Patrick Collins to the 2024 version on Updraft.
• Added in Blockchain course under Blockchain Fundamentals.
• Added Cyfrin Updraft as Plaform

Summary by CodeRabbit

• New Features

  • Added a new entry for the "Aderyn" library, providing a tool for identifying vulnerabilities in Solidity smart contracts.
  • Introduced a new overview document for the Cyfrin Updraft platform, detailing educational resources for smart contract development.

• Documentation

  • Updated the "Blockchain Developer Roadmap" link to enhance resource relevance for aspiring blockchain developers.
  • Removed outdated visual content to simplify the roadmap presentation.
  • Added direct links to courses in the Cyfrin Updraft overview to improve accessibility to educational resources.