copy over toc from ci

Author: lauralorenz

keps/sig-multicluster/2149-clusterid/README.md

@@ -89,6 +89,7 @@ tags, and then generate with `hack/update-toc.sh`.
     - [Joining or moving between ClusterSets](#joining-or-moving-between-clustersets)
     - [Multi-Cluster Services](#multi-cluster-services)
     - [Diagnostics](#diagnostics)
+    - [Multi-tenant controllers](#multi-tenant-controllers)
   - [<code>ClusterClaim</code> CRD](#-crd)
   - [Well known claims](#well-known-claims)
     - [Claim: <code>id.k8s.io</code>](#claim-)
@@ -105,12 +106,16 @@ tags, and then generate with `hack/update-toc.sh`.
   - [Notes/Constraints/Caveats (Optional)](#notesconstraintscaveats-optional)
   - [Risks and Mitigations](#risks-and-mitigations)
 - [Design Details](#design-details)
-  - [Implementing the <code>ClusterClaim</code> CRD](#implementing-the--crd)
+  - [Rationale behind the <code>ClusterClaim</code> CRD](#rationale-behind-the--crd)
+  - [Implementing the <code>ClusterClaim</code> CRD and its admission controllers](#implementing-the--crd-and-its-admission-controllers)
     - [<code>id.k8s.io ClusterClaim</code>](#)
     - [<code>clusterset.k8s.io ClusterClaim</code>](#-1)
+  - [CRD upgrade path](#crd-upgrade-path)
+    - [To CRD or not to CRD?](#to-crd-or-not-to-crd)
   - [Test Plan](#test-plan)
   - [Graduation Criteria](#graduation-criteria)
     - [Alpha -&gt; Beta Graduation](#alpha---beta-graduation)
+    - [Beta -&gt; GA criteria](#beta---ga-criteria)
   - [Upgrade / Downgrade Strategy](#upgrade--downgrade-strategy)
   - [Version Skew Strategy](#version-skew-strategy)
 - [Production Readiness Review Questionnaire](#production-readiness-review-questionnaire)