change subscription cancel email

server.py

@@ -509,7 +509,7 @@ def setup_paddle_callback(app: Flask):
 
                 send_email(
                     user.email,
-                    "SimpleLogin - what can we do to improve the product?",
+                    "SimpleLogin - your subscription is canceled",
                     render(
                         "transactional/subscription-cancel.txt",
                         end_date=request.form.get("cancellation_effective_date"),

templates/emails/transactional/subscription-cancel.txt

@@ -1,16 +1,9 @@
-Hi,
+{% extends "base.txt.jinja2" %}
 
-This is Son, SimpleLogin founder. I saw that you have canceled your subscription.
+{% block content %}
 
 Your subscription will end at {{end_date}}.
 
-I would appreciate if you could tell me what we can do to improve the product or what is missing?
-
 Thanks for giving SimpleLogin a try!
 
-Best,
-Son.
-
------------------------------------------
-Son NK - SimpleLogin founder.
-https://simplelogin.io
+{% endblock %}