Ther is a missing ":" in this rule:<br><br><rule from="^https?//(?:www\.)?shannonhealth\.com/"to="<a href="https://www.shannonhealth.com/">https://www.shannonhealth.com/</a>"/><br><br>should be<br>
<br><rule from="^https?://(?:www\.)?shannonhealth\.com/"to="<a href="https://www.shannonhealth.com/">https://www.shannonhealth.com/</a>"/><br><br>