feat: docs and ui tweaks

surfsense_web/components/documents/FolderTreeView.tsx

@@ -313,7 +313,7 @@ export function FolderTreeView({
 			<div className="flex flex-1 flex-col items-center justify-center gap-1 px-4 py-12 text-muted-foreground select-none">
 				<p className="text-sm font-medium">No documents found</p>
 				<p className="text-xs text-muted-foreground/70">
-					Use the plus menu to upload files or manage connectors
+					Use the Import button above to add files, or the plus menu to manage connectors
 				</p>
 			</div>
 		);