[core] Massive setting system update

- Get rid of attribute crap. Now only interface is required
- Rename canUse to isAdmin in `Bot.IsUserAdminAsync` to match the actual meaning of variable
- Made `AnswerQuery` reusable by moving it from ContentStore to Core's CommonHandler
- Chat Settings edit frontend (inline keyboard)
- Rename NsfwOption to AllowNsfw and move it to ContentStore module
- Remove option backend testing commands
- Add KarmaMode option as an example of Select option type

modules/Entertainment/Entertainment.cs

@@ -5,7 +5,6 @@ global using GuessCache = Kruzya.TelegramBot.Core.Cache.MemoryCache<Telegram.Bot
 using Kruzya.TelegramBot.Core;
 using Kruzya.TelegramBot.Core.Options;
 using Microsoft.Extensions.DependencyInjection;
-using West.Entertainment.Options;
 
 
 namespace West.Entertainment
@@ -17,7 +16,6 @@ namespace West.Entertainment
         public override void ConfigureServices(IServiceCollection services)
         {
             services.AddSingleton<IGuessCache, GuessCache>();
-            services.AddScoped<NsfwOption>();
         }
     }
 }