s/user consent/user permission (#248)

Author: timcappalli

index.html

@@ -557,7 +557,7 @@ <h3>
     </p>
     <section class="informative">
       <h3>
-        User consent
+        User permission
       </h3>
       <p data-cite="permissions">
         The <cite>Digital Credential API</cite> is a [=powerful feature=] that