✨ Add Help command

bot/Bot.php

@@ -20,6 +20,7 @@ class Bot
         $this->config = $config;
     }
 
+    // TODO
     public function isValid(Request $request): bool
     {
         $this->request = $request;
@@ -97,17 +98,25 @@ class Bot
         curl_close($ch);
     }
 
-    private function sanitizeStringForTalkMessage(string $text): string {
-        return str_replace(['@', 'http://', 'https://'], ['👤', '🔗', '🔗🔒'], $text);
-    }
-
     public function reply(string $message): void
     {
         $this->sendChatMessage('', $message);
     }
 
-    public function getConfig()
+    public function getConfig(): array
     {
         return $this->config;
     }
+
+    public function listCommands(): \Generator
+    {
+        $commands_folder = __DIR__.DIRECTORY_SEPARATOR.'Commands';
+        foreach (scandir($commands_folder) as $command) {
+            if ($command === '.' || $command === '..' || $command === 'Icommands.php') {
+                continue;
+            }
+            $class_name = explode('.', $command)[0];
+            yield sprintf('Shikiryu\Bot\Commands\%s', $class_name);
+        }
+    }
 }