Implemented frontend configuration service and dynamic theme reloading integration. Updated sidebar to display dynamic application name.

Moonlight.Frontend/UI/Admin/Views/Sys/Themes/Create.razor

@@ -3,6 +3,7 @@
 @using Microsoft.AspNetCore.Authorization
 @using Moonlight.Shared
 @using LucideBlazor
+@using Moonlight.Frontend.Services
 @using Moonlight.Shared.Http.Requests.Themes
 @using ShadcnBlazor.Buttons
 @using ShadcnBlazor.Labels
@@ -18,6 +19,7 @@
 @inject HttpClient HttpClient
 @inject NavigationManager Navigation
 @inject ToastService ToastService
+@inject FrontendService FrontendService
 
 <div class="flex flex-row justify-between">
     <div class="flex flex-col">
@@ -129,6 +131,8 @@
             $"Successfully created theme {Request.Name}"
         );
 
+        await FrontendService.ReloadAsync();
+
         Navigation.NavigateTo("/admin/system?tab=themes");
     }
 }