initial chat options implementation

Core/Startup.cs

@@ -11,6 +11,7 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using System.Collections.Concurrent;
+using Kruzya.TelegramBot.Core.Options;
 using Telegram.Bot.Types;
 
 namespace Kruzya.TelegramBot.Core
@@ -53,6 +54,8 @@ namespace Kruzya.TelegramBot.Core
             services.AddSingleton<ConcurrentBag<DeleteRequest>>();
             services.AddHostedService<DeleteService>();
 
+            services.AddScoped<IOptionProvider, DbOptionProvider>();
+
             // Trigger module handlers.
             _core.Modules.ConfigureServices(services);
         }