add rust video to rust intro section (#5634)

src/data/roadmaps/rust/content/100-introduction/100-what-is-rust.md

@@ -1,3 +1,7 @@
 # What is Rust?
 
 Rust is a modern system programming language focused on performance, safety, and concurrency. It accomplishes these goals without having a garbage collector, making it a useful language for a number of use cases other languages aren’t good at. Its syntax is similar to C++, but Rust offers better memory safety while maintaining high performance.
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+Visit the following resources to learn more:
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+- [What is Rust?](https://www.youtube.com/watch?v=R33h77nrMqc)