docs(flags): add index flag docs for python

Author: michellewzhang

docs/platforms/python/feature-flags/index.mdx

@@ -0,0 +1,11 @@
+---
+title: Set Up Feature Flags
+sidebar_order: 5200
+description: "Learn how to enable Feature Flags in your app if it is not already set up."
+---
+
+Link your external feature flag integrations with Sentry to provide feature flag insights right inside the Sentry UI. Linking one or more integrations will allow you to view recent flag evaluations in one place and identify potential suspect flags related to errors. In addition, Sentry will provide insights on feature flag updates relative to error event timelines.
+
+Learn more about the integrations available for Python and how to set them up:
+- [OpenFeature](/platforms/python/integrations/openfeature/)
+- [LaunchDarkly](/platforms/python/integrations/launchdarkly/)