docs: update doc to include PER and Non PER

[surajsbharadwaj]

Description

update doc to include PER and Non PER

Release required?

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• [ ] Patch release (x.x.X)
• [ ] Minor release (x.X.x)
• [ ] Major release (X.x.x)

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• [ ] If relevant, a test for the change is included or updated with this PR.
• [ ] If relevant, documentation for the change is included or updated with this PR.

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[surajsbharadwaj]

/run pipeline

[terraform-ibm-modules-ops]

:tada: This PR is included in version 3.0.0 :tada:

The release is available on:

• GitHub release
• v3.0.0

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