KEP-2395: update table of contents

Signed-off-by: Andrew Sy Kim <[email protected]>

Author: andrewsykim

keps/sig-cloud-provider/2395-removing-in-tree-cloud-providers/README.md

@@ -13,8 +13,16 @@
     - [Phase 1 - Moving Cloud Provider Code to Staging](#phase-1---moving-cloud-provider-code-to-staging)
     - [Phase 2 - Building CCM from Provider Repos](#phase-2---building-ccm-from-provider-repos)
     - [Phase 3 - Migrating Provider Code to Provider Repos](#phase-3---migrating-provider-code-to-provider-repos)
+    - [Phase 4 - Disabling In-Tree Providers](#phase-4---disabling-in-tree-providers)
   - [Staging Directory](#staging-directory)
     - [Cloud Provider Instances](#cloud-provider-instances)
+- [Production Readiness Review Questionnaire](#production-readiness-review-questionnaire)
+  - [Feature Enablement and Rollback](#feature-enablement-and-rollback)
+  - [Rollout, Upgrade and Rollback Planning](#rollout-upgrade-and-rollback-planning)
+  - [Monitoring Requirements](#monitoring-requirements)
+  - [Dependencies](#dependencies)
+  - [Scalability](#scalability)
+  - [Troubleshooting](#troubleshooting)
 - [Alternatives](#alternatives)
   - [Staging Alternatives](#staging-alternatives)
     - [Git Filter-Branch](#git-filter-branch)