updated doc footer to point to covasim support alias
<p>EMOD is licensed under the <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode">Creative Commons
Attribution-Noncommercial-ShareAlike 4.0 License</a>.</p>
<p>Send documentation feedback to <a href="mailto:feedback@idmod.org" target="_top">feedback@idmod.org</a>. If you have
- questions, email <a href="mailto:support@idmod.org" target="_top">support@idmod.org</a>.</p>
+ questions, email <a href="mailto:covasim@idmod.org" target="_top">covasim@idmod.org</a>.</p>
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