Add support for easy shell based execution.
Introduces /shell, pipeShell,pipe
and as$ builder to make it easy to
just run "echo hello; wc -c".
Example:
$("echo hello; echo world")
.pipe$("cat")
this is more of an experiment as I'm really looking for a nice way to have a fluent/stream based process api that also can handle shells.
the syntax/setup is inspired by https://github.com/google/zx - fully understand if you feel it is taking the api too far but wanted to show it and see what you think about it.