docs: update README

README.rst

@@ -1,15 +1,19 @@
 .. code:: python
 
   import asyncio
+  import logging
+
   from ppgee import PPGEE
 
+  logging.basicConfig(level=logging.INFO)
 
-  async def main():
+
+  async def main() -> None:
       cpf = "00011122233"
       async with PPGEE(user=cpf, password=cpf) as ppgee:
-          response = await ppgee.frequency()
-          if "Opção não disponível" in response:
-              print("Not ready yet")
+          frequency_page = await ppgee.frequency()
+          print(frequency_page.history())
+          await frequency_page.confirm()
           await asyncio.sleep(5)