fix swagger

src/LiquidCode.Tester.Gateway/Program.cs

@@ -4,6 +4,8 @@ var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container
 builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
 builder.Services.AddOpenApi();
 
 // Add HttpClient
@@ -18,6 +20,8 @@ var app = builder.Build();
 // Configure the HTTP request pipeline
 if (app.Environment.IsDevelopment())
 {
+    app.UseSwagger();
+    app.UseSwaggerUI();
     app.MapOpenApi();
 }