templates/BetterNavigator/Includes/BetterNavigatorExtraDevTools.ss
<%-- Implement this template to add content below the developer tools menu --%>
<div class="bn-heading">CSP/SRI Tools</div>
<div class="bn-links">
<a href="{$AbsoluteBaseURL}?build-headers=true" target="_blank"><span class="bn-icon-tick"></span>Force-enable CSP</a>
<a href="{$AbsoluteBaseURL}?updatesri=true" target="_blank"><span class="bn-icon-db"></span>Rebuild SRI hashes</a>
</div>