make the bot.

bot/utils/captcha.py

@@ -0,0 +1,11 @@
+import random
+import string
+from io import BytesIO
+from captcha.image import ImageCaptcha
+
+def generate_captcha():
+    """Generates a random captcha and returns (text, image_bytes)"""
+    captcha_text = ''.join(random.choices(string.ascii_uppercase + string.digits, k=5))
+    image = ImageCaptcha(width=280, height=90)
+    data = image.generate(captcha_text)
+    return captcha_text, data.getvalue()