Add history controller

EnvelopeGenerator.Web/Program.cs

@@ -12,8 +12,11 @@ builder.Services.AddServerSideBlazor();
 
 // Add custom services
 builder.Services.AddSingleton<LoggingService>();
+builder.Services.AddSingleton<ApiService>();
 builder.Services.AddTransient<DatabaseService>();
 
+builder.Services.AddControllers();
+
 builder.Services.AddLocalization();
 
 var app = builder.Build();