Optional scripts section in libraries' config

[hubertp]

Pull Request Description

This change adds a scripts/hooks section to config that allows to specify a list of available scripts for the given library. Scripts are defined in a free-form, meaning that any kind of value can be provided as a value and is parsed as a string.

For example,

scripts:
  refresh:
    - Standard.Base.HTTP.Caches.refresh

Part of #11485.

Checklist

Please ensure that the following checklist has been satisfied before submitting the PR:

• The documentation has been updated, if necessary.
• Screenshots/screencasts have been attached, if there are any visual changes. For interactive or animated visual changes, a screencast is preferred.
• All code follows the
  Scala,
  Java,
  TypeScript,
  and
  Rust
  style guides. In case you are using a language not listed above, follow the Rust style guide.
• Unit tests have been written where possible.
• If meaningful changes were made to logic or tests affecting Enso Cloud integration in the libraries,
  or the Snowflake database integration, a run of the Extra Tests has been scheduled.
  • If applicable, it is suggested to paste a link to a successful run of the Extra Tests.

[JaroslavTulach]

There is a checklist in this PR (as well as in any other PR) asking for few checks including:

• The documentation has been updated, if necessary.

I guess this time, when we design a new API for library writers, we should start by writing the documentation, updating changelog. Etc.

adds a scripts/hooks section to config that allows to specify a list of available scripts for the given library. Scripts are defined in a free-form, meaning that any kind of value can be provided as a value and is parsed as a string.

I'd like to see list of use-cases justifying the API decisions first. Really, "freeform"? Why? What are the scripts good for? How can one use them? When they are called?

[hubertp]

I'd like to see list of use-cases justifying the API decisions first.

This PR unblocks further work that we have discussed internally for the purpose of #11485. Thanks for your feedback.

[4e6]

I think you can use nil() helper method (see two lines above)

[4e6]

Please update ConfigSpec

[hubertp]

Currently on hold to test an alternative solution #11485 (comment)

[hubertp]

Made obsolete via #11577. We could still revive it, if needed.