**Draft** S622 vj/feature/add vs proj files

[SjorsScholten]

• Added vs proj files so the app can be opened in visual studio, FIPost mono repo is with this change complete and can open all projects
• Serialized REST responses as TypeScript objects instead of JS Objects, now we can use the class methods within those objects, removing imports and helper classes
• Added bootstrap to the project, now we can move the clutter of css and the DOM-tree to a more organized maintainable state.
• StandardUI can also be replaced with its bootstrap variant, which is cleaner and more reliable than ours
• Rewritten pages in bootstrap:
  • HomeView
  • DetailedPackageView
  • ListPackageView
  • RegisterPackageView
  • ListLocationView
  • RegisterLocationView
• Implement repository pattern so we can switch repositories when testing frontend and when we cant get access to the backend

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

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