Adding additional implementations for volumes

Author: Dan-Heath

README.md

@@ -277,6 +277,10 @@ Either way it provides access to the following fields:
 * **nodeUsageMode** Either `NORMAL` or `EXCLUSIVE`, this controls whether Jenkins only schedules jobs with label expressions matching or use the node as much as possible.
 * **volumes** Volumes that are defined for the pod and are mounted by **ALL** containers.
   * `dynamicPVC()` : a persistent volume claim managed dynamically. It is deleted at the same time as the pod.
+  * `emptyDirVolume` (default): an empty dir allocated on the host machine
+  * `hostPathVolume()` : a host path volume
+  * `nfsVolume()` : a nfs volume
+  * `persistentVolumeClaim()` : an existing persistent volume claim by name.
 * **envVars** Environment variables that are applied to **ALL** containers.
     * **envVar** An environment variable whose value is defined inline.
     * **secretEnvVar** An environment variable whose value is derived from a Kubernetes secret.
@@ -292,8 +296,8 @@ Either way it provides access to the following fields:
 * **runAsGroup** The group ID to run all containers in the pod as. 
 * **hostNetwork** Use the hosts network.
 * **workspaceVolume** The type of volume to use for the workspace.
-  * `emptyDirWorkspaceVolume` (default): an empty dir allocated on the host machine
   * `dynamicPVC()` : a persistent volume claim managed dynamically. It is deleted at the same time as the pod.
+  * `emptyDirWorkspaceVolume` (default): an empty dir allocated on the host machine
   * `hostPathWorkspaceVolume()` : a host path volume
   * `nfsWorkspaceVolume()` : a nfs volume
   * `persistentVolumeClaimWorkspaceVolume()` : an existing persistent volume claim by name.