`dev.js` entrypoint has been updated to include the recent JavaScriptKit runtime fix: https://github.com/swiftwasm/JavaScriptKit/pull/19
I've also added a new subcommand to `carton-release`, which is now able to automaticallly create a new `static.zip` and record updated hashes in the source code. It still doesn't upload the archive automatically to previous release assets, but I wonder if that should be done manually anyway, at least until we have some kind of tests that verify the whole process end-to-end.
Additionally, since the new runtime is not compatible with the old Swift parts of JavaScriptKit, `carton dev` now checks the revision of JavaScriptKit that projects have specified in their `Package.swift`. It doesn't block the build process, but I hope it gives enough warning about the incompatibility.
This also adds a separate `Toolchain` type that abstracts a lot of the common operations. The giant toolchain-related `FileSystem` extension is now hidden in the separate `SwiftToolchain` module that also contains the new `Toolchain` type.
New `Destination` model type is added to facilitate automatic creation of destination files in a future PR.
Max Desiatov