Initial commit: base slice (auth, roles, users, admin) scaffold

Backend: .NET 10 Clean Architecture + LiteCqrs.Net + EF Core/PostgreSQL +
Identity/JWT. Frontend: React 19 + Vite + TanStack Query/Router + Tailwind v4
with a retro CRT theme. Docker/compose deployment mirroring PnvPanel's
conventions, scoped down to the current base feature set.

backend/src/TeleWave.Application/Auth/Logout/LogoutCommandHandler.cs

@@ -0,0 +1,15 @@
+using LiteCqrs;
+using TeleWave.Application.Common.Interfaces;
+using TeleWave.Application.Common.Models;
+
+namespace TeleWave.Application.Auth.Logout;
+
+public sealed class LogoutCommandHandler(IRefreshTokenService refreshTokenService)
+    : ICommandHandler<LogoutCommand, Result>
+{
+    public async Task<Result> Handle(LogoutCommand command, CancellationToken cancellationToken)
+    {
+        await refreshTokenService.RevokeAsync(command.RawToken, cancellationToken);
+        return Result.Success();
+    }
+}