Increase in spam in the past few weeks

It seems as if there is a lot of new spam coming in from people using Twitter (IIUC) to sign up for djangosnippets. I would suggest to increase the bar for submission by

1. adding recaptcha
2. allowing signup only for users with verified email addresses

• either via SOCIALACCOUNT_EMAIL_VERIFICATION (which would require a separate email verification upon signup via twitter and github)
• and definitely SOCIALACCOUNT_QUERY_EMAIL and maybe SOCIALACCOUNT_EMAIL_REQUIRED (which would make the whole thing required) https://django-allauth.readthedocs.io/en/latest/configuration.html

@carltongibson @felixxm @stephrdev Does anyone have some spare cycles to take a look at this?

[carltongibson]

Hi @chriswedgwood. Yes. That would be super. Thanks!

[jezdez]

@carltongibson Done.