Introduce delay to reduce CPU usage

- Telegram "long polling" is a lie :'(

callmebyyourbot/__init__.py

@@ -1,5 +1,6 @@
 import sys, random
 import traceback
+from datetime import time
 from typing import Sequence, AnyStr
 from depytg import types, methods, errors
 
@@ -94,6 +95,7 @@ def main():
     try:
         while True:
             prev_offset = mainloop(token, prev_offset) + 1
+            time.sleep(0.2)
     except KeyboardInterrupt:
         pass