Added permission checks to all controllers. Added role permission loading. Added frontend permission checks. Implemented user logout in admin panel.

Moonlight.Api/Http/Controllers/Admin/SystemController.cs

@@ -1,5 +1,7 @@
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Moonlight.Api.Services;
+using Moonlight.Shared;
 using Moonlight.Shared.Http.Responses.Admin;
 
 namespace Moonlight.Api.Http.Controllers.Admin;
@@ -16,6 +18,7 @@ public class SystemController : Controller
     }
 
     [HttpGet("info")]
+    [Authorize(Policy = Permissions.System.Info)]
     public async Task<ActionResult<SystemInfoDto>> GetInfoAsync()
     {
         var cpuUsage = await ApplicationService.GetCpuUsageAsync();