feat: update custom preferences endpoint

Foxnouns.Backend/Database/Migrations/20240821210355_AddCustomPreferences.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using Foxnouns.Backend.Database.Models;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Foxnouns.Backend.Database.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddCustomPreferences : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<Dictionary<Guid, User.CustomPreference>>(
+                name: "custom_preferences",
+                table: "users",
+                type: "jsonb",
+                nullable: false,
+                defaultValueSql: "'{}'");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "custom_preferences",
+                table: "users");
+        }
+    }
+}