Add LocalStack to FaaS

LocalStack provides a local cloud environment that matches AWS APIs and functionality for included components. This includes Lambda functions for serverless computing.

README.md

@@ -1194,6 +1194,7 @@ See **[Ticketing](#ticketing)**
 
 - [FX](https://github.com/metrue/fx) - fx is a tool to help you do Function as a Service with painless on your own servers. `MIT` `Go`
 - [IronFunctions](https://github.com/iron-io/functions) - The serverless microservices platform by [iron.io](https://www.iron.io/). `Apache-2.0` `Go`
+- [LocalStack](https://localstack.cloud/) - LocalStack is a fully functional local AWS cloud stack. This includes Lambda for serverless computation. ([Source Code](https://github.com/localstack/localstack)) `Multiple` `Python/Other`
 - [OpenFaaS](https://www.openfaas.com/) - Serverless Functions Made Simple for Docker & Kubernetes. ([Source Code](https://github.com/openfaas/faas)) `MIT` `Go`
 
 ### API Management