📝 Add new blog post to external links (#279)

Author: aminalaee

docs/external-links.md

@@ -2,6 +2,7 @@
 
 External links related to using Mangum.
 
-- [Deploying Python web apps as AWS Lambda functions](https://til.simonwillison.net/awslambda/asgi-mangum) is a tutorial that goes through every step involved in packaging and deploying a Python web application to AWS Lambda, including how to use Mangum to wrap an ASGI application. 
+- [Deploying Python web apps as AWS Lambda functions](https://til.simonwillison.net/awslambda/asgi-mangum) is a tutorial that goes through every step involved in packaging and deploying a Python web application to AWS Lambda, including how to use Mangum to wrap an ASGI application.
+- [Deploy FastAPI applications to AWS Lambda](https://aminalaee.dev/posts/2022/fastapi-aws-lambda/) is a quick tutorial about how to deploy FastAPI and Starlette applications to AWS Lambda using Mangum, including also a suggested approach by AWS about how to manage larger applications.
 
 If you're interested in contributing to this page, please reference this [issue](https://github.com/jordaneremieff/mangum/issues/104) in a PR.