Add image generation (#2)

* Add image generation

* Optimise for minimal memory

* Added a new ui

* Add support for esp

HomeApi/Handlers/DepartureBoard.cs

@@ -0,0 +1,18 @@
+using HomeApi.Integration;
+using HomeApi.Models;
+using MediatR;
+
+namespace HomeApi.Handlers;
+
+public static class DepartureBoard
+{
+    public record Command : IRequest<List<TimeTable>>;
+
+    public class Handler(IDepartureBoardService departureBoardService) : IRequestHandler<Command, List<TimeTable>>
+    {
+        public async Task<List<TimeTable>> Handle(Command request, CancellationToken cancellationToken)
+        {
+            return await departureBoardService.GetDepartureBoard() ?? new List<TimeTable>();
+        }
+    }
+}