docs: lambda

Author: rodentskie

lambda/README.md

@@ -1,3 +1,10 @@
 ### Description
 
-This directory will hold `lambda@edge` functions.
+This directory will hold `lambda@edge` functions.
+
+`forwarder` - lambda function that sits infront of the CDN, handles `globalization` redirection.
+`versioner` - function to create lambda function version.
+
+### Deployment
+
+Once `AWS` credentials is ready, just run `deploy.sh`. Make sure you installed [sam](https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/install-sam-cli.html) on your machine.