Update README.md

backend/README.md

@@ -54,4 +54,21 @@ https://docs.sqlalchemy.org/en/20/changelog/migration_20.html#migration-20-query
         // Redirect user to another page upon successful login
   
     };
+```
+
+```python
+
+# Create Flask app
+app = Flask(__name__)
+
+# Enable CSRF on all api endpoints
+csrf = CSRFProtect(app)
+
+# Define Content Security Policies
+talisman = Talisman(app, content_security_policy=csp)
+
+# Initialize Flask-Security
+user_datastore = SQLAlchemyUserDatastore(db, User, Role)
+app.security = Security(app, user_datastore)
+
 ```
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