2.0+ public access setup

extensions.py

@@ -0,0 +1,11 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+from flask_limiter import Limiter
+from flask_limiter.util import get_remote_address
+from flask_mail import Mail
+from flask_wtf.csrf import CSRFProtect
+
+csrf = CSRFProtect()
+limiter = Limiter(key_func=get_remote_address)
+mail = Mail()