Add ability to pass extra context when rendering email templates

[gingrassia]

It would be really useful to be able to send extra context when building the email, that way we can have our custom email template with more things other than the token

[psagers]

Sounds reasonable, thanks. Just missing a bit of documentation. Updating the docstring for autodoc would be a good start, plus perhaps a mention in the OTP_EMAIL_BODY_TEMPLATE* settings.

[gingrassia]

Sounds reasonable, thanks. Just missing a bit of documentation. Updating the docstring for autodoc would be a good start, plus perhaps a mention in the OTP_EMAIL_BODY_TEMPLATE* settings.

hi @psagers, I added some docs, but I wasn't able to verify that docs under generate_challenge were properly rendered... would you mind trying yourself or telling me how to do it? I did make html under docs folder and then serve it but this is what I got

[psagers]

Version 1.0.6

[gingrassia]

thanks @psagers!