cmd/app: pass user-specified arguments

An extra argument is added to pad out argv0.

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/app/main.go

@@ -148,7 +148,7 @@ func main() {
 		c.NewCommand(
 			"run", "Start the named application",
 			func(args []string) error {
-				if len(args) != 1 {
+				if len(args) < 1 {
 					dents, err := os.ReadDir(base.Append("app").String())
 					if err != nil {
 						return err
@@ -197,7 +197,7 @@ func main() {
 					config.Container.Args[2] = flagCommand
 				}
 
-				return run(ctx, msg, config)
+				return run(ctx, msg, config, args[1:]...)
 			},
 		).
 			Flag(