adding a video to the Decentralization section

src/data/roadmaps/blockchain/content/decentralization@H9jvIlxX6P-C_cgPfZop4.md

@@ -7,4 +7,5 @@ Visit the following resources to learn more:
 - [@article@Decentralization in Blockchain](https://www.investopedia.com/decentralized-finance-defi-5113835)
 - [@article@What is Decentralization?](https://aws.amazon.com/blockchain/decentralization-in-blockchain/)
 - [@article@What is Decentralization in Blockchain?](https://www.blockchain-council.org/blockchain/what-is-decentralization-in-blockchain/)
+- [@video@ What Is DECENTRALIZATION in Crypto, Exactly?](https://youtu.be/5iesIki27zw?si=3tUygdRSAveuxGlr)
 - [@feed@Explore top posts about Decentralization](https://app.daily.dev/tags/decentralization?ref=roadmapsh)