fix default installed conf so loadable

add version command to warren

cmd/warren/main.go

@@ -26,6 +26,7 @@ func main() {
 	warren.RegisterCommand(buildCmd)
 	warren.RegisterCommand(deployCmd)
 	warren.RegisterCommand(runCmd)
+	warren.RegisterCommand(versionCmd)
 	args := os.Args[1:]
 	if len(args) == 0 || args[0] == "-h" {
 		usage()

cmd/warrend/etc/warrend.json

@@ -0,0 +1 @@
+{}