have example match the one in readme

sup.toml

@@ -2,22 +2,21 @@
 name = "x resource"
 command = "xrdb"
 args = ["~/.Xresources"]
-restart = false
 wait = true
 
 [[app]]
 name = "terminal"
 command = "alacritty"
 args = []
-restart_on_success = true
+restart_on_success = false
 restart_on_failure = true
 restart_on_terminate = true
+hold = true
 
 [[app]]
-name = "env"
-command = "env"
-args = []
-wait = true
+name = "environment"
+command = "alacritty"
+args = ["-e", "env"]
 
 [[app]]
 name = "window manager"