trying to fix line breaks in raw blocks in list (#4997)

Lets see on deploy preview if adding block type helps.

docs/tutorials/clusters/apparmor.md

@@ -44,7 +44,7 @@ Make sure:
    will **silently ignore** any AppArmor settings that are provided. To ensure that your Pods are
    receiving the expected protections, it is important to verify the Kubelet version of your nodes:
 
-    ```
+   ```shell
    $ kubectl get nodes -o=jsonpath=$'{range .items[*]}{@.metadata.name}: {@.status.nodeInfo.kubeletVersion}\n{end}'
    gke-test-default-pool-239f5d02-gyn2: v1.4.0
    gke-test-default-pool-239f5d02-x1kf: v1.4.0
@@ -56,7 +56,7 @@ Make sure:
    default, such as Ubuntu and SUSE, and many others provide optional support. To check whether the
    module is enabled, check the `/sys/module/apparmor/parameters/enabled` file:
 
-    ```
+   ```shell
    $ cat /sys/module/apparmor/parameters/enabled
    Y
    ```
@@ -72,7 +72,7 @@ Make sure:
    also supports AppArmor is Docker. As more runtimes add AppArmor support, the options will be
    expanded. You can verify that your nodes are running docker with:
 
-    ```
+   ```shell
    $ kubectl get nodes -o=jsonpath=$'{range .items[*]}{@.metadata.name}: {@.status.nodeInfo.containerRuntimeVersion}\n{end}'
    gke-test-default-pool-239f5d02-gyn2: docker://1.11.2
    gke-test-default-pool-239f5d02-x1kf: docker://1.11.2
@@ -87,7 +87,7 @@ Make sure:
    kernel, the Kubelet (>= v1.4) will reject the Pod. You can view which profiles are loaded on a
    node by checking the `/sys/kernel/security/apparmor/profiles` file. For example:
 
-    ```
+   ```shell
    $ ssh gke-test-default-pool-239f5d02-gyn2 "sudo cat /sys/kernel/security/apparmor/profiles | sort"
    apparmor-test-deny-write (enforce)
    apparmor-test-audit-write (enforce)