Deserialize and run task graphs

[jl-wynen]

Discussed in #146

^{Originally posted by jl-wynen March 13, 2024}
I experimented with deserializing JSON task graphs back into sciline.TaskGraph in https://gist.github.com/jl-wynen/d72588744e2813a46dd05521be4d86ba The approach works but has some non-trivial components.

This is not part of the goals of #92 and #124 but it is good to know that it is possible.

Should we make this part of Sciline? It could be handled by the package itself or, if we don't want to distribute it with the package, it could be a script that lives in the Sciline repo.

[jl-wynen]

This is the counterpart of #92