[WIP] feat: support external resource group

[andyzhangx]

What type of PR is this?
/kind feature

What this PR does / why we need it:
feat: support external resource group

Which issue(s) this PR fixes:

Fixes #3118

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Special notes for your reviewer:

Release note:

feat: support external resource group

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx

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[k8s-ci-robot]

@andyzhangx: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-azuredisk-csi-driver-sanity	c04d70d	link	true	/test pull-azuredisk-csi-driver-sanity
pull-azuredisk-csi-driver-external-e2e-single-az	c04d70d	link	true	/test pull-azuredisk-csi-driver-external-e2e-single-az
pull-azuredisk-csi-driver-e2e-capz-windows-2022-hostprocess	c04d70d	link	true	/test pull-azuredisk-csi-driver-e2e-capz-windows-2022-hostprocess
pull-azuredisk-csi-driver-e2e-capz	c04d70d	link	true	/test pull-azuredisk-csi-driver-e2e-capz
pull-azuredisk-csi-driver-e2e-capz-vmssflex	c04d70d	link	true	/test pull-azuredisk-csi-driver-e2e-capz-vmssflex
pull-azuredisk-csi-driver-e2e-capz-windows-2019-hostprocess	c04d70d	link	true	/test pull-azuredisk-csi-driver-e2e-capz-windows-2019-hostprocess
pull-azuredisk-csi-driver-e2e-migration	c04d70d	link	true	/test pull-azuredisk-csi-driver-e2e-migration
pull-azuredisk-csi-driver-e2e-capz-multi-az	c04d70d	link	true	/test pull-azuredisk-csi-driver-e2e-capz-multi-az

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[k8s-ci-robot]

PR needs rebase.

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