Refactor of baseline.rs for easier next additive changes (#340)

* Refactor for easier additive changes

* Debugging attempt

* Explain why no caching in match branch

* Add derive

Co-authored-by: Predrag Gruevski <2348618+obi1kenobi@users.noreply.github.com>

* Ignore arguments

Co-authored-by: Predrag Gruevski <2348618+obi1kenobi@users.noreply.github.com>

* Moved functions to separate module

* Revert back cache changes

* Change comment

Co-authored-by: Predrag Gruevski <2348618+obi1kenobi@users.noreply.github.com>

* Remove empty comment

Co-authored-by: Predrag Gruevski <2348618+obi1kenobi@users.noreply.github.com>

* Rename Manifest -> manifest

Co-authored-by: Predrag Gruevski <2348618+obi1kenobi@users.noreply.github.com>

* Rename Manifest -> manifest

Co-authored-by: Predrag Gruevski <2348618+obi1kenobi@users.noreply.github.com>

* Moved name/version to separate functions

* Changed some with_context to context

* Added message that the cached rustdoc is being parsed

* fmt

* Changed a match to a function execution

* Renamed functions

* Changed returned value from String to &str

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Co-authored-by: Predrag Gruevski <2348618+obi1kenobi@users.noreply.github.com>