Adding more features.

- Implementing support for custom domains
- Blocking common link previewers to "unwind" the links
- Setting a log retention policy for the lambda functions
- Updating to latest CDK version (1.44)

requirements.txt

@@ -1,8 +1,12 @@
 -e .
 aws_cdk.core
 aws_cdk.aws_apigatewayv2
+aws_cdk.aws_certificatemanager
+aws_cdk.aws_cloudformation
 aws_cdk.aws_dynamodb
 aws_cdk.aws_events
 aws_cdk.aws_events_targets
 aws_cdk.aws_lambda
+aws_cdk.aws_logs
+aws_cdk.aws_route53
 aws_cdk.aws_s3