Add gateway and filter

src/GameIdeas/Client/GameIdeas.BlazorApp/Pages/Users/Gateways/UserGateway.cs

@@ -0,0 +1,29 @@
+using GameIdeas.BlazorApp.Services;
+using GameIdeas.BlazorApp.Shared.Constants;
+using GameIdeas.BlazorApp.Shared.Exceptions;
+using GameIdeas.Resources;
+using GameIdeas.Shared.Dto;
+
+namespace GameIdeas.BlazorApp.Pages.Users.Gateways;
+
+public class UserGateway(IHttpClientService httpClient) : IUserGateway
+{
+    public async Task<UserListDto> GetUsers(UserFilterParams filterParams)
+    {
+		try
+		{
+			UserFilterDto filter = new()
+			{
+
+			};
+
+			var url = Endpoints.User.Fetch(filter);
+			return await httpClient.FetchDataAsync<UserListDto>(url)
+				?? throw new InvalidOperationException(ResourcesKey.ErrorFetchUsers);
+		}
+		catch (Exception)
+		{
+			throw new UserNotFoundException(ResourcesKey.ErrorFetchUsers);
+		}
+    }
+}