imdb: missing imdge improvments

nfoguard-web/static/index.html

@@ -455,6 +455,9 @@
                             <button class="btn btn-info" onclick="showEpisodesMissingNFODateadded()">
                                 <i class="fas fa-exclamation-triangle"></i> Episodes Missing NFO dateadded
                             </button>
+                            <button class="btn btn-warning" onclick="showMissingImdbItems()">
+                                <i class="fas fa-search"></i> Items Missing IMDb IDs
+                            </button>
                             <button class="btn btn-secondary" onclick="exportDatabaseReport()">
                                 <i class="fas fa-download"></i> Export Database Report
                             </button>