Add ability to create NFS Volumes

[wyvernzora]

Description of the feature or enhancement:

NFS Volumes

Use Case:

I need to mount NFS volumes to my pods. Unfortunately, due to how the Volume class is set up, I cannot easily create an NFS volume to pass into the Deployment construct.

My current workaround for this is the following:

const volume = Volume.fromEmptyDir(this, 'data-volume', 'data-volume', { });
const obj: any = volume as any;
obj.config = {
    nfs: {
        server: '169.254.0.1'
    }
};

Proposed Solution:

• Add a new static constructor on the Volume class to support creating NFS volumes. The underlying k8s.Volume already has nfs property defined on it.
• To support other volume types that do not have static constructors defined, I suggest making the Volume class constructor public or protected, so that users are left with flexibility to pass in their own configuration objects if they have to.

Other:

I can help put together a PR if needed

• 👋 I may be able to implement this feature request
• ⚠️ This feature might incur a breaking change

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This is a 🚀 Feature Request