Update the TOC of installation-usage readme
- [Installation using helm](#installation-using-helm)
- [Installation on AKS](#installation-on-aks)
- [Set logging verbosity](#set-logging-verbosity)
+- [Pull images from private registry](#pull-images-from-private-registry)
- [Configure the SELinux type](#configure-the-selinux-type)
- [Restrict the allowed syscalls in seccomp profiles](#restrict-the-allowed-syscalls-in-seccomp-profiles)
- [Constrain spod scheduling](#constrain-spod-scheduling)
