Add more examples and check if they work

[otaviomacedo]

Expand the examples section with more templates, in order to cover as many features and modules as possible. A good starting point is to port the AWS CDK examples to deCDK.

Tracking:

• [x] typescript/application-load-balancer - Missing feature: Function calls, Enum-like calls Branch: https://github.com/cdklabs/decdk/compare/mrgrain/example-application-load-balancer
• [x] typescript/http-proxy-apigateway --> TypeError: Encountered unsupported type UNKNOWN. This feature is currently not supported.