feat: verification link email template with polished email body

accounts/templates/accounts/emails/verification-link.txt

@@ -0,0 +1,9 @@
+Hello {{ username }},
+
+Please click on the link below to verify your email.
+{{ link }}
+
+If you don't recognise this activity, please delete this mail.
+
+Cheers,
+Hostea team

accounts/utils.py

@@ -17,6 +17,7 @@ from datetime import datetime, timezone
 from django.utils.crypto import get_random_string
 from django.core.mail import send_mail
 from django.shortcuts import redirect
+from django.template.loader import render_to_string
 from django.urls import reverse
 from django.utils.http import urlencode
 from django.conf import settings
@@ -34,12 +35,24 @@ def send_verification_email(request, challenge):
         f"{request.scheme}://{request.get_host()}{challenge.verification_link()}"
     )
 
+    ctx = {
+        "link": verification_link,
+        "username": challenge.owned_by.username,
+    }
+
+    body = render_to_string(
+        "accounts/emails/verification-link.txt",
+        context=ctx,
+    )
+
     email = challenge.owned_by.email
 
+    sender = settings.HOSTEA["EMAIL_SENDER_ADDRESS"]
+
     send_mail(
         subject="[Hostea] Please confirm your email address",
-        message=f"Please confirm your email address {email}.\n {verification_link}",
-        from_email="No reply Hostea<no-reply@exampl.org>",  # TODO read from settings.py
+        message=body,
+        from_email=f"No reply Hostea<{sender}>",  # TODO read from settings.py
         recipient_list=[email],
     )