Added single-threaded and multi-threaded example

tests/commands/HashCommand.php

@@ -0,0 +1,26 @@
+<?php
+
+    namespace commands;
+
+    use TgBotLib\Bot;
+    use TgBotLib\Exceptions\TelegramException;
+    use TgBotLib\Interfaces\CommandInterface;
+    use TgBotLib\Objects\Telegram\Update;
+
+    class HashCommand implements CommandInterface
+    {
+        /**
+         * @param Bot $bot
+         * @param Update $update
+         * @return void
+         * @throws TelegramException
+         */
+        public function handle(Bot $bot, Update $update): void
+        {
+            // Usage: /hash <text>
+            $data = str_replace('/hash ', '', $update->getMessage()->getText());
+            $bot->sendMessage(
+                $update->getMessage()->getChat()->getId(), md5($data)
+            );
+        }
+    }