Fix collection import error and progress display (#940)

Author: Kuuuube

ext/settings.html

@@ -2051,6 +2051,20 @@ <h1>Yomitan Settings</h1>
                 </div>
             </div>
         </div></div>
+        <div class="settings-item"><div class="settings-item-inner">
+            <div class="settings-item-left">
+                <div class="settings-item-progress-report" id="db-ops-progress-report">
+                    Placeholder text.
+                </div>
+            </div>
+        </div></div>
+        <div class="settings-item"><div class="settings-item-inner">
+            <div class="settings-item-left">
+                <div class="settings-item-error-report" id="db-ops-error-report">
+                    Placeholder text.
+                </div>
+            </div>
+        </div></div>
     </div>
 
     <!-- Accessibility -->