Add new main

cmd/lsconvert/main.go

@@ -0,0 +1,15 @@
+package main
+
+import "flag"
+
+func main() {
+	flag.Parse()
+	switch flag.Arg(0) {
+	case "convert":
+		convert(flag.Args()[1:])
+	case "init":
+		initRepository(flag.Args()[1:])
+	default:
+		convert(flag.Args())
+	}
+}