start beta versioning

main.go

@@ -13,6 +13,7 @@ import (
 	"fes/src/doc"
 	"fes/src/new"
 	"fes/src/server"
+	"fes/src/version"
 )
 
 //go:embed core/*
@@ -38,8 +39,14 @@ func main() {
 		fmt.Println("Options:")
 		flag.PrintDefaults()
 	}
+
+	showVersion := flag.Bool("version", false, "Show version and exit")
 	flag.Parse()
 
+	if *showVersion {
+		version.Version()
+	}
+
 	if *config.Color {
 		color.NoColor = true
 	}