webui : add keyboard shortcut to toggle sidebar

This commit adds a keyboard shortcut CTRL+SHIFT+S to toggle the sidebar.

The motivation for this is this is often possible with other chat
applications and I think improves usability.

Author: danbev

tools/server/public/index.html.gz

@@ -56,6 +56,11 @@
 				chatSidebar.editActiveConversation();
 			}
 		}
+
+		if (event.shiftKey && isCtrlOrCmd && (event.key === 's' || event.key === 'S')) {
+			event.preventDefault();
+			sidebarOpen = !sidebarOpen;
+		}
 	}
 
 	function handleTitleUpdateCancel() {