add limited kubeconfigs documentation to summary

Author: asauber

docs/SUMMARY.md

@@ -12,6 +12,9 @@
   - [The `chime-live` Cluster](./operations/chime-live-cluster.md)
   - [Deploy to Heroku](./operations/heroku.md)
   - [Deploy to Your Own Cluster](./operations/byok8s.md)
+  - [Limited Cluster Access for Deployment][1]
 - [Code of Conduct](CODE_OF_CONDUCT.md)
 - [Maintainers](MAINTAINERS.md)
 - [Glossary](GLOSSARY.md)
+
+[1]: ./operations/limited-kubeconfigs/limited-kubeconfigs.md