source equivalent not documented (or not existent?)
Trying to get ion set up as my default shell.
I wanted to try to make some of my existing shell scripts work with it, at least the export directives (eg my path, which sets up cargo bin, which is used by my prompt). However I couldn't find "source" listed in the documentation (https://docs.rs/crate/ion-shell/1.0.1). Is there a way to do this?