docs(generics): add bounds help
add help for bounds provided by the rust by example book
@@ -5,3 +5,4 @@ In this section you'll learn about saving yourself many lines of code with gener
### Book Sections
- [Generic Data Types](https://doc.rust-lang.org/stable/book/ch10-01-syntax.html)
+- [Bounds](https://doc.rust-lang.org/rust-by-example/generics/bounds.html)
