Add magazine issue number.

Marechai.Database/Migrations/20200808135203_AddMagazineIssueNumber.cs

@@ -0,0 +1,13 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Marechai.Database.Migrations
+{
+    public partial class AddMagazineIssueNumber : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder) =>
+            migrationBuilder.AddColumn<uint>("IssueNumber", "MagazineIssues", nullable: true);
+
+        protected override void Down(MigrationBuilder migrationBuilder) =>
+            migrationBuilder.DropColumn("IssueNumber", "MagazineIssues");
+    }
+}