docs: updated directory structure for basic typescript setup

Author: valentina-buoro

src/content/guides/typescript.mdx

@@ -11,6 +11,7 @@ contributors:
   - snitin315
   - tusharthakur04
   - ThierryRakotomanana
+  - valentina-buoro
 ---
 
 T> This guide stems from the [_Getting Started_](/guides/getting-started/) guide.
@@ -34,7 +35,7 @@ Now we'll modify the directory structure & the configuration files:
   ├── package.json
   ├── package-lock.json
 + ├── tsconfig.json
-  ├── webpack.config.js
++ ├── webpack.config.ts
   ├── /dist
   │   ├── bundle.js
   │   └── index.html