feat: Enhance API endpoints with new methods, improved response structures, and added Photon access token endpoint

DorkNet.Server/Controllers/Commerce/PurchaseCampaignController.cs

@@ -0,0 +1,13 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace DorkNet.Server.Controllers.Commerce;
+
+[ApiController]
+public class PurchaseCampaignController : ControllerBase
+{
+    [HttpGet("/purchasecampaign/allcurrent/v2")]
+    [HttpGet("/purchasecampaign/allcurrent")]
+    [AllowAnonymous]
+    public IActionResult AllCurrent() => Ok(Array.Empty<object>());
+}