chore: init commit from GitHub

TelegramBot/Commands/CommandMessages/StartCommandMessage.cs

@@ -0,0 +1,20 @@
+using System.Diagnostics;
+using System.Reflection;
+using Telegram.Bot;
+using Telegram.Bot.Types;
+
+namespace TelegramBot.Commands.CommandMessages;
+
+public class StartCommandMessage : CommandMessage
+{
+    public const string CommandName = "/start";
+    public override async Task InvokeFromMessage(ITelegramBotClient botClient,
+    Update update,
+        CancellationToken cancellationToken)
+    {
+        var text = Program.Config.StartMessage;
+        text += $"\nBuild assembly version: {FileVersionInfo.GetVersionInfo(Assembly.GetExecutingAssembly().Location).FileVersion}";
+        text += $"\n\nНововведения по комманде /changelog";
+        await botClient.SendTextMessageAsync(update.Message?.Chat!, text, cancellationToken: cancellationToken);
+    }
+}