Consolidate SecurityContext topics. (#4005)

_data/concepts.yml

@@ -84,9 +84,7 @@ toc:
   - docs/concepts/cluster-administration/proxies.md
   - title: Policies
     section:
-    - docs/concepts/policy/container-capabilities.md
     - docs/concepts/policy/resource-quotas.md
-    - docs/concepts/policy/security-context.md
     - docs/concepts/policy/pod-security-policy.md
 
 

_data/tasks.yml

@@ -15,6 +15,9 @@ toc:
   - docs/tasks/configure-pod-container/configure-volume-storage.md
   - docs/tasks/configure-pod-container/configure-persistent-volume-storage.md
   - docs/tasks/configure-pod-container/configure-projected-volume-storage.md
+  - docs/tasks/configure-pod-container/projected-volume.md
+  - docs/tasks/configure-pod-container/security-context.md
+  - docs/tasks/configure-pod-container/environment-variable-expose-pod-information.md
   - docs/tasks/configure-pod-container/configure-service-account.md
   - docs/tasks/configure-pod-container/pull-image-private-registry.md
   - docs/tasks/configure-pod-container/configure-liveness-readiness-probes.md