Update boot.md

developer/boot.md

@@ -324,7 +324,17 @@ Directly above this, there is
 try_include("local")
 ```
 
-which seems to suggest that we can hook in our own code there by creating a new file `/boot/lua/local.lua` with our custom code.
+which seems to suggest that we can hook in our own code there by creating a new file `/boot/lua/local.lua` with our custom code:
+
+```
+local color = require("color")
+
+-- loader.* functions are not part of normal lua, where are they documented?
+
+printc("Hello World", COLOR_BLUE)
+
+loader.delay(5*1000*1000)
+```
 
 * https://man.freebsd.org/cgi/man.cgi?query=core.lua documents the functions in `core.lua`
 * https://man.freebsd.org/cgi/man.cgi?query=menu.lua&sektion=8 documents `menu.lua`, including an example for how to replace the default boot menu with a simple boot menu, and en example for how to add another option to the default FreeBSD welcome menu