Add content: Zero Knowledge Proofs course in Blockchain roadmap

Added Cyfrin Updraft Zero Knowledge Proofs fundamentals course to ZK rollups resources.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/data/roadmaps/blockchain/content/zk-rollups--zero-knowledge-proof@PykoX4j5Q3eJWIpUoczjM.md

@@ -6,6 +6,7 @@ Visit the following resources to learn more:
 
 - [@article@Zero-Knowledge Rollups - Ethereum](https://ethereum.org/en/developers/docs/scaling/zk-rollups)
 - [@article@What are Zero-Knowledge proofs? - Ethereum](https://ethereum.org/en/zero-knowledge-proofs/)
+- [@course@Fundamentals of Zero Knowledge Proofs - Cyfrin Updraft](https://updraft.cyfrin.io/courses/fundamentals-of-zero-knowledge-proofs)
 - [@article@Why and How zk-SNARK Works](https://medium.com/@imolfar/why-and-how-zk-snark-works-1-introduction-the-medium-of-a-proof-d946e931160)
 - [@article@Introduction to zk-SNARKs](https://vitalik.eth.limo/general/2021/01/26/snarks.html)
 - [@article@What Are zk-SNARKs and zkSTARKs: Full Comparison](https://www.cyfrin.io/blog/a-full-comparison-what-are-zk-snarks-and-zk-starks)