[ui] add more attribute labels

webui/src/components/widgets/Table.svelte

@@ -188,11 +188,15 @@
   });
 
   // Formatting & Display
+  // todo - grab from db
   const ATTRIBUTE_LABELS: { [key: string]: string } = {
     FILE_MIME: "MIME type",
     FILE_MTIME: "Last modified",
     FILE_SIZE: "File size",
     ADDED: "Added at",
+    LAST_VISITED: "Last visited at",
+    LBL: "Label",
+    IS: "Type",
   };
 
   const VALUE_FORMATTERS: { [key: string]: (val: string | number) => string } =