feat: some updates

server/cmd/marka-server/main.go

@@ -17,13 +17,13 @@ func main() {
 
 	absRoot, err := filepath.Abs(*root)
 	must(err)
+
 	info, err := os.Stat(absRoot)
 	must(err)
 	if !info.IsDir() {
 		log.Fatal("root is not a directory")
 	}
 
-	// Catch-all route from "/" → serve files rooted in absRoot
 	http.Handle("/", handlers.NewFile(absRoot))
 
 	log.Printf("listening on %s, root=%s", *addr, absRoot)