add email to backend

[lkeegan]

Currently in our UserManager class the methods for forgot password and email confirmation after signup just print a message to the logs with the generated token:

mondey/mondey_backend/src/mondey_backend/users.py

Lines 23 to 38 in d4ea8f8

	class UserManager(IntegerIDMixin, BaseUserManager[User, int]):
	reset_password_token_secret = app_settings.SECRET
	verification_token_secret = app_settings.SECRET
	async def on_after_register(self, user: User, request: Request | None = None):
	print(f"User {user.id} has registered.")
	async def on_after_forgot_password(
	self, user: User, token: str, request: Request | None = None
	):
	print(f"User {user.id} has forgot their password. Reset token: {token}")
	async def on_after_request_verify(
	self, user: User, token: str, request: Request | None = None
	):
	print(f"Verification requested for user {user.id}. Verification token: {token}")

We need to modify them to send an email to the user.

I've previously set up a send-only email server for websites using this docker image: https://hub.docker.com/r/boky/postfix

But maybe there is already an email server / account associated with mondey.de that we can/should use instead?

[lkeegan]

For now we should just use a send-only mail server