Assorted improvements.

- Move BotExtension to Core.
- Update BotFramework
- Fix Fun commands.
- Remove ChatManagement dependency from Entertainment.

Core/Extensions/BotExtension.cs

@@ -0,0 +1,28 @@
+using System.Threading.Tasks;
+using Telegram.Bot;
+using Telegram.Bot.Types;
+
+namespace Kruzya.TelegramBot.Core.Extensions
+{
+    public static class BotExtension
+    {
+        public static async Task<bool> CanPunishMember(this ITelegramBotClient bot, Chat chat, User user, User victim = null)
+        {
+            var callerMember = await bot.GetChatMemberAsync(chat, user.Id);
+            var canUse = callerMember is ChatMemberOwner;
+
+            if (callerMember is ChatMemberAdministrator callerAdmin)
+            {
+                canUse = callerAdmin.CanRestrictMembers;
+            }
+
+            if (victim != null && canUse)
+            {
+                var victimMember = await bot.GetChatMemberAsync(chat, victim.Id);
+                canUse = victimMember is not ChatMemberOwner && victimMember is not ChatMemberAdministrator && !victim.IsBot;
+            }
+
+            return canUse;
+        }
+    }
+}