add copyright link to bare /report page

app/ui/report.js

@@ -13,9 +13,16 @@ module.exports = function(state, emit) {
         <section
           class="flex flex-col items-center justify-center h-full w-full p-6 md:p-8 overflow-hidden md:rounded-xl md:shadow-big"
         >
-          <p class="mb-4 leading-normal">
+          <p class="text-xl text-center mb-4 leading-normal">
             ${state.translate('reportUnknownDescription')}
           </p>
+          <p class="text-center">
+            ${raw(
+              replaceLinks(state.translate('reportReasonCopyright'), [
+                'https://www.mozilla.org/about/legal/report-infringement/'
+              ])
+            )}
+          </p>
         </section>
       </main>
     `;