docs: Fix broken homepage links (#2651)

* docs: Fix broken homepage links

Signed-off-by: Robyn J <robynjohnson@us.ibm.com>

* docs: Remediate sign-off

DCO Remediation Commit for Robyn J <bobbinrobyn@users.noreply.github.com>

I, Robyn J <bobbinrobyn@users.noreply.github.com>, hereby add my Signed-off-by to this commit: e873e24c1192b4005fe362613f5b691aa1c5c20e

Signed-off-by: Robyn J <bobbinrobyn@users.noreply.github.com>

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Signed-off-by: Robyn J <robynjohnson@us.ibm.com>
Signed-off-by: Robyn J <bobbinrobyn@users.noreply.github.com>