Before building and running the projects, right-click the solutions from VS and press "Restore NuGet Packages" (by default, packages/dependencies should not be uploaded to git).
General feedback for homeworks/things to keep in mind https://docs.google.com/document/d/1p6hNUxCEIiwpsSpAd1NxQqgCzAiDwONfrKRLwXufJVA/edit?usp=sharing
For any questions/remarks/ideas matheandreean@gmail.com.