[enterprise-4.15] OADP-3263: Adding links to OADP intro page

[openshift-cherrypick-robot]

This is an automated cherry-pick of #69506

/assign mburke5678

[openshift-ci-robot]

@openshift-cherrypick-robot: Could not make automatic cherrypick of [Jira Issue OADP-3263](https://issues.redhat.com//browse/OADP-3263) for this PR as the target version is not set for this branch in the jira plugin config. Running refresh:
/jira refresh

In response to this:

This is an automated cherry-pick of #69506

/assign mburke5678

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/test-infra repository.

[openshift-ci-robot]

@openshift-ci-robot: This pull request references OADP-3263 which is a valid jira issue.

In response to this:

@openshift-cherrypick-robot: Could not make automatic cherrypick of [Jira Issue OADP-3263](https://issues.redhat.com//browse/OADP-3263) for this PR as the target version is not set for this branch in the jira plugin config. Running refresh:
/jira refresh

In response to this:

This is an automated cherry-pick of #69506

/assign mburke5678

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/test-infra repository.

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/test-infra repository.