added a notes file for important running stuff

Create working for tenant and added in efcore and data layer

Emergence.api/Models/ErrorDetailResults.cs

@@ -0,0 +1,13 @@
+namespace Emergence.api.Models;
+
+public class ErrorDetailResults
+{
+    public string Title { get; set;  }
+    public string Description { get; set;  }
+
+    public ErrorDetailResults(string Title, string Description)
+    {
+        this.Title = Title;
+        this.Description = Description;
+    }
+}

Emergence.api/Models/ValidationProblemResult.cs

@@ -0,0 +1,12 @@
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+
+namespace Emergence.api.Models;
+
+public class ValidationProblemResult
+{
+    public ModelStateDictionary ModelState { get; set; }
+    public ValidationProblemResult(ModelStateDictionary modelState)
+    {
+        ModelState = modelState;
+    }
+}