Rename solution directory to Elwig

Elwig/Models/AT_Gem.cs

@@ -0,0 +1,13 @@
+using Microsoft.EntityFrameworkCore;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Elwig.Models {
+    [Table("AT_gem"), PrimaryKey("Gkz")]
+    public class AT_Gem {
+        [Column("gkz")]
+        public int Gkz { get; private set; }
+
+        [Column("name")]
+        public string Name { get; private set; }
+    }
+}