Add release-0-11 book link

[Prajyot-Parab]

What this PR does / why we need it:

• Add release-0-11 book link

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

/area provider/ibmcloud

1. Please confirm that if this PR changes any image versions, then that's the sole change this PR makes.

Release note:

Add release-0-11 book link

[netlify]

✅ Deploy Preview for kubernetes-sigs-cluster-api-ibmcloud ready!

Name	Link
🔨 Latest commit	7167894
🔍 Latest deploy log	https://app.netlify.com/projects/kubernetes-sigs-cluster-api-ibmcloud/deploys/68258e81e77c460008f7f568
😎 Deploy Preview	https://deploy-preview-2361.cluster-api-ibmcloud.sigs.k8s.io
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

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[Prajyot-Parab]

/cc @Amulyam24

[Prajyot-Parab]

/cherrypick release-0.11

[k8s-infra-cherrypick-robot]

@Prajyot-Parab: once the present PR merges, I will cherry-pick it on top of release-0.11 in a new PR and assign it to you.

In response to this:

/cherrypick release-0.11

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.

[Amulyam24]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Amulyam24, Prajyot-Parab

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

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• OWNERS [Prajyot-Parab]

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[k8s-infra-cherrypick-robot]

@Prajyot-Parab: new pull request created: #2362

In response to this:

/cherrypick release-0.11

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.