Feature/nav 85 setup package manager

[Brunner246]

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[Brunner246]

@munterfi

• changed from CPM to vcpkg => you are responsible to install the packages on your end. https://learn.microsoft.com/de-ch/vcpkg/get_started/overview
• https://github.com/microsoft/vcpkg?tab=readme-ov-file#vcpkg-overview
• i have started with a reader for the GTFS data, for some reason i can not build with some c++ 17 features on MAC , would be nice if you could try this on your machine (just remove the macro and try with execution::par)
  https://github.com/naviqore/raptorxx/pull/2/files#diff-5932d9b581fb7dd595ecca53a53ff25e60963208b080b3240c1fefe3032e2ca7R26

[munterfi]

@Brunner246, has this PR been replaced by NAV-70?

[Brunner246]

@munterfi yes, sorry for the mess