add content for typescript module

Author: Shrreya

module8-typescript/README.md

@@ -1 +1,30 @@
-# curriculum-backend-readings
+# Module 8: TypeScript
+
+Last revised: 14/06/2022
+
+## Summary
+
+Students learn to use TypeScript, an essential and marketable skill in today’s JavaScript
+landscape. This variant of JavaScript provides type safety, allowing developers to write
+more scalable and understandable applications. Students apply their learning of
+TypeScript concepts using the Nest.js framework in comparison to Express.js.
+
+## Outline
+
+- 1 [Introduction to TypeScript [R]](../module8-typescript/r1-introduction-to-typescript/README.md)
+    
+- 1.1 [Everyday Types [R]](../module8-typescript/r1.1-everyday-types/README.md)
+
+- 1.2 [Advanced Types [R]](../module8-typescript/r1.2-advanced-types/README.md)
+
+- 1.3 [TypeScript Compiler [R]](../module8-typescript/r1.3-typescript-compiler/README.md)
+
+- 2 [TypeScript with Node and Express [R]](../module8-typescript/r2-typescript-node-express/README.md)
+
+- 2.1 [Backend frameworks with TypeScript [R]](../module8-typescript/r2.1-backend-frameworks-typescript/README.md)
+
+- 2.2 [TypeScript Cart [L]](../module8-typescript/r2.2-typescript-cart/README.md)
+
+- 2.3 [NestJS Task Management App [L]](../module8-typescript/r2.3-nestjs-task-management/README.md)
+
+- 3 [Summary [R]](../module8-typescript/r3-summary/README.md)