feat: add template based email content (html + plaintext fallback)

backend/config/settings.py

@@ -81,6 +81,21 @@ MIDDLEWARE = [
     "django_structlog.middlewares.RequestMiddleware",
 ]
 
+TEMPLATES = [
+    {
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [os.path.join(BASE_DIR, "templates")],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
+            ],
+        },
+    },
+]
 
 ROOT_URLCONF = "config.urls"