updated resources

readme.md

@@ -1,3 +1,5 @@
 # Ressourcen
 Genutze Ressourcen zum Recherchieren
 1. [Microsoft ASP.NET Core Doku](https://learn.microsoft.com/en-us/aspnet/core/tutorials/first-web-api?view=aspnetcore-10.0&tabs=visual-studio-code)
+
+2. [ASP.NET mit postgres tutorial](https://www.c-sharpcorner.com/article/building-a-powerful-asp-net-core-web-api-with-postgresql/)