IMPROV: Extract contrib and other extras from rye

[noonien]

Currently, the repository contains code for various contrib functions.

While everything is disabled by default, and can be enabled with build flags. it would be nice to have these in a separate repository as they are usually not needed when embedding rye.

Maybe the builtins can also be extracted from the evaldo into their own package.

[refaktor]

Hi, thank you for posted isues. For first few "years" (I think), contrib was a separate repository and a submodule in rye repository. But since it was a constant complication to get started with Rye and with updating it to latest state at some point I decided to just make it a normal folder in Rye, at least for now. So right now, I wouldn't change this back, unless you know for some better approach than submodule.

Making Rye-front was also an experiment on how you could extend Rye from "the other side" or externally. And it proved a good idea as we were able to reuse all Rye code, also for main binary / repl ... but it's still an open experiment.

I agree the builtins should move out of evaldo yes. So this should be done at some point.

Currently main goal is to unify the native terminal "liner" and the "wasm / browser" liner, microliner. Another developer is working on autogenerating Fyne bindings. And I have some open experiments, so moving builtins out of evaldo wouldn't be done right now but we will find time for it at some point soon.