- validate post request according to bussiness rules besides redundant
validation on front-end.
- validate captcha againts google service
- register every error in flash message service
- build json response for errors on submit
- add google/recaptcha to project and implements it, make settings for
secret-key, put test re-captcha in register.html and secret-test in
settings.
- add flash message service and register against container.
- add twig extension to read flash message service
- remove api folder from public, conflicts in routes.