Fix samesite cookie issues

Author: bookernath

app.py

@@ -22,6 +22,8 @@
 app.config['SESSION_SECRET'] = os.getenv('SESSION_SECRET', os.urandom(64))
 app.config['SQLALCHEMY_DATABASE_URI'] = os.getenv('DATABASE_URL', 'sqlite:///data/hello_world.sqlite').replace("postgres://", "postgresql://", 1)
 app.config['SQLALCHEMY_ECHO'] = app.config['DEBUG']
+app.config['SESSION_COOKIE_SAMESITE'] = "None"
+app.config['SESSION_COOKIE_SECURE'] = True
 
 # Setup secure cookie secret
 app.secret_key = app.config['SESSION_SECRET']