sig-multicluster: add sig-multicluster-site repo

Author: mrbobbytables

sig-multicluster/README.md

@@ -63,6 +63,9 @@ The following [subprojects][subproject-definition] are owned by sig-multicluster
 ### mcs-api
 - **Owners:**
   - [kubernetes-sigs/mcs-api](https://github.com/kubernetes-sigs/mcs-api/blob/master/OWNERS)
+### sig-multicluster-site
+- **Owners:**
+  - [kubernetes-sigs/sig-multicluster-site](https://github.com/kubernetes-sigs/sig-multicluster-site/blob/main/OWNERS)
 ### work-api
 - **Owners:**
   - [kubernetes-sigs/work-api](https://github.com/kubernetes-sigs/work-api/blob/master/OWNERS)

sigs.yaml

@@ -1921,6 +1921,9 @@ sigs:
   - name: mcs-api
     owners:
     - https://raw.githubusercontent.com/kubernetes-sigs/mcs-api/master/OWNERS
+  - name: sig-multicluster-site
+    owners:
+    - https://raw.githubusercontent.com/kubernetes-sigs/sig-multicluster-site/main/OWNERS
   - name: work-api
     owners:
     - https://raw.githubusercontent.com/kubernetes-sigs/work-api/master/OWNERS