Add extraVolumes and extraVolumeMounts to the Helm chart

[OguzPastirmaci]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Adds extraVolumes and extraVolumeMounts values to the Helm chart. Some deployments need host files mounted into the driver, for example a cloud provider agent configuration directory. The chart adds the entries after the built-in volumes without changes. The values schema requires name and mountPath. The Helm CI workflow renders the new path and checks the output. install.yaml gets a commented example.

Which issue(s) this PR is related to:

None

Does this PR introduce a user-facing change?

Add `extraVolumes` and `extraVolumeMounts` values to the Helm chart for mounting extra host paths.

[netlify]

✅ Deploy Preview for dranet canceled.

Name	Link
🔨 Latest commit	e8480b2
🔍 Latest deploy log	https://app.netlify.com/projects/dranet/deploys/6a7d6ee5c2e8ca0008507ae4

[kubernetes-prow]

Hi @OguzPastirmaci. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work.

Tip

We noticed you've done this a few times! Consider joining the org to skip this step and gain /lgtm and other bot rights. We recommend asking approvers on your previous PRs to sponsor you.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

Details

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[fmuyassarov]

LGTM, apart from one comment below.

[fmuyassarov]

/ok-to-test

[gauravkghildiyal]

/assign @fmuyassarov

[fmuyassarov]

Thank you.
/lgtm
/cc @gauravkghildiyal

[gauravkghildiyal]

/approve

[kubernetes-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gauravkghildiyal, OguzPastirmaci

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Details

Needs approval from an approver in each of these files:

• OWNERS [gauravkghildiyal]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment