rename src/app.cr to src/{{name}}.cr

This is more inline with crystal init and is possible with kgen templates.

Support model, controller, and mailer

v0.1.5

add support for model, controller and mailer

Support Scaffold Generator

This adds support for scaffold generator

ecr to slang

v0.1.1

ecr to slang

Release v0.1.0

Commands: init and generate