doc/dev: update feature flags guide to reference site admin UI (!32411) · Merge requests · Warren Gifford / sourcegraph · GitLab

Warren Gifford requested to merge feature-flags-site-admin into main Mar 09, 2022

Created by: bobheadxi

Updates the feature flag guide to reference the new feature flags management UI (https://github.com/sourcegraph/sourcegraph/pull/32246, https://github.com/sourcegraph/sourcegraph/pull/32237). Part of https://github.com/sourcegraph/sourcegraph/issues/31182

Test plan

sg run docsite to review the content