MVVM Implementing started

Shared/Domain/Schacht.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Shared.Domain
+{
+    internal class Schacht
+    {
+        string objektbezeichnung = "";
+        decimal rechtsWert;
+        decimal hochwert;
+        decimal hoehe;
+    }
+}