Apparmor (#2825)

* Move Guide topic: AppArmor.

* Add included files.

docs/tutorials/clusters/deny-write.profile

@@ -0,0 +1,10 @@
+#include <tunables/global>
+
+profile k8s-apparmor-example-deny-write flags=(attach_disconnected) {
+  #include <abstractions/base>
+
+  file,
+
+  # Deny all file writes.
+  deny /** w,
+}