feat(popup): copy privacy-safe diagnostics

extension/popup/popup.html

@@ -41,6 +41,7 @@
       <div class="popup-links">
         <button id="config">Settings</button>
         <div class="popup-secondary">
+          <button id="copyDiagnostics" class="secondary">Copy diagnostics</button>
           <button id="feedback" class="secondary">Feedback</button>
           <button id="about" class="secondary">About</button>
         </div>