Modern style for notifications is to put everything inside an object
of same name as the method.
For now this means duplication for backward compatibility. ChatGPT
helped me do that.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Any file in this directory which is executable and whose name only
consists of alphanumeric characters, space, '.', '-' or '_' will be
automatically loaded when lightningd starts (unless suppressed with
commandline options).