Created API Controllers (#1)

Removed strongly typed inventory objects

Added EAV inventory types

Added EAV object handling philosophy

Added controllers

Added EF Core migration integration

Reviewed-on: #1

WyvernInventory.Core/Models/Enums.cs

@@ -0,0 +1,13 @@
+namespace WyvernInventory.Core.Models;
+
+public class Enums
+{
+    public enum DataType
+    {
+        String,
+        Int,
+        Decimal,
+        Bool,
+        DateTime
+    }
+}