Optional server whitelists (#5979)

Content.Server.Database/Migrations/Postgres/20220103235647_whitelist.cs

@@ -0,0 +1,30 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Content.Server.Database.Migrations.Postgres
+{
+    public partial class whitelist : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "whitelist",
+                columns: table => new
+                {
+                    user_id = table.Column<Guid>(type: "uuid", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_whitelist", x => x.user_id);
+                });
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "whitelist");
+        }
+    }
+}