Add TypeScript resources (#3789)

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

src/data/roadmaps/typescript/content/100-typescript/index.md

@@ -9,5 +9,9 @@ The main benefits of using TypeScript include:
 - Improved Maintainability
 - Backwards Compatibility
 
-Learn more from the following links:
-- [TypeScript Handbook](https://www.typescriptlang.org/docs/handbook/intro.html)
+Learn more from the folowing links:
+
+- [Overview of TypeScript](https://www.typescriptlang.org/docs/handbook/typescript-from-scratch.html)
+- [TypeScript Handbook](https://www.typescriptlang.org/docs/handbook/typescript-from-scratch.html)
+- [What Is TypeScript?](https://thenewstack.io/what-is-typescript/)
+- [Video: Where TypeScript Excels](https://youtu.be/BUo7B6UuoJ4)