Fix footer styling issue

[rohitsrma]

Currently, in the footer of our website's documentation section, the 'Next' and 'Previous' links are shown in front of the page's title, and they have different font sizes. I'm sure this wasn't done on purpose. The problem is because the title and the navigation links are in the same class, which messes up the styles.

To fix this, I moved the footer text outside of that class. This way, the existing styles won't get overridden by the class styles.

Before

After

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[Cali0707]

/cc @zainabhusain227 @mmejia02

[github-actions]

This Pull Request is stale because it has been open for 90 days with
no activity. It will automatically close after 30 more days of
inactivity. Reopen with /reopen. Mark as fresh by adding the
comment /remove-lifecycle stale.

[Cali0707]

/remove-lifecycle stale

Adding this PR to the next UX WG meeting agenda for review

[Cali0707]

Moving this to the next UX meeting time

[Cali0707]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Cali0707, rohitsrma

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