chore: init commit from GitHub

TelegramBot/Commands/CommandMessages/ChangelogCommandMessage.cs

@@ -0,0 +1,20 @@
+using System.Text;
+using Telegram.Bot;
+using Telegram.Bot.Types;
+using Telegram.Bot.Types.Enums;
+
+namespace TelegramBot.Commands.CommandMessages;
+
+public class ChangelogCommandMessage : CommandMessage
+{
+    public const string CommandName = "/changelog";
+    public override async Task InvokeFromMessage(ITelegramBotClient botClient, Update update, CancellationToken cancellationToken)
+    {
+        var text = new StringBuilder();
+        foreach (var log in Program.Config.Changelog)
+        {
+            text.Append($"Нововведения от <b>{log.Date}</b>:\n\n{log.Caption}\n\n");
+        }
+        await botClient.SendTextMessageAsync(update.Message?.Chat!, text.ToString(), cancellationToken: cancellationToken, parseMode: ParseMode.Html);
+    }
+}