set title to filename

web/App.svelte

@@ -6,7 +6,6 @@
 	const slug = window.location.pathname.split("/").pop();
 
 	let notFound = false;
-	let component = null;
 	let contentType: string;
 	let filename: string;
 
@@ -28,6 +27,8 @@
 			}
 			filename = match[1];
 		}
+
+		document.title = filename;
 	}
 </script>