Add new insert endpoint for Lok open hours

api/App/Endpoints/LokEndpoints.cs

@@ -2,11 +2,18 @@ public static class LokEndpoints
 {
   public static void MapLokEndpoints(WebApplication app)
   {
+    app.MapPost("/lok/open-hours", async (LokOpenHours openHours, LokService lokService) =>
+    {
+      var createdOpenHours = await lokService.InsertOpenHours(openHours);
+      return Results.Created("/lok/open-hours", createdOpenHours);
+    })
+    .WithName("CreateLokOpenHours");
+
     app.MapGet("/lok/open-hours", async (LokService lokService) =>
     {
-      var openHours = await lokService.GetOpenHoursAsync();
+      var openHours = await lokService.GetOpenHours();
 
-      if (openHours is null)
+      if (openHours.Count == 0)
       {
         return Results.NotFound(new
         {