Callouts and other small formatting (#5022)

* Removing Extra Spaces

Issue 4602 | Configure Pods and Containers

* Update security-context.md

Adding callouts

* Update security-context.md

* Adding callout and fixing code block

* Removing extra space

* Adding callout

* Addling callouts

* Update assign-cpu-resource.md

* Adding callout

* Update configure-persistent-volume-storage.md

* Update configure-service-account.md

* Update quality-service-pod.md

* Update security-context.md

docs/tasks/configure-pod-container/configure-pod-initialization.md

@@ -34,7 +34,7 @@ shared Volume at `/work-dir`, and the application container mounts the shared
 Volume at `/usr/share/nginx/html`. The init container runs the following command
 and then terminates:
 
-     wget -O /work-dir/index.html http://kubernetes.io
+    wget -O /work-dir/index.html http://kubernetes.io
 
 Notice that the init container writes the `index.html` file in the root directory
 of the nginx server.