✨ Add example of usage polling

README.md

@@ -172,7 +172,7 @@ asyncio.run(main())
 
 ```
 
-## 🌟Webhooks & handlers
+## 🌟Webhooks / polling & handlers
 
 ```python
 import logging
@@ -205,6 +205,36 @@ wallet.start_webhook(
 
 ```
 
+## 🧑🏻‍🔬Polling updates
+```python
+import datetime
+
+from glQiwiApi import QiwiWrapper, types
+
+api_access_token = "your token"
+phone_number = "your number"
+
+wallet = QiwiWrapper(
+    api_access_token=api_access_token,
+    phone_number=phone_number
+)
+
+
+@wallet.transaction_handler()
+async def my_first_handler(update: types.Transaction):
+    assert isinstance(update, types.Transaction)
+
+
+def on_startup(wrapper: QiwiWrapper):
+    wrapper.dispatcher.logger.info("This message logged on startup")
+
+
+wallet.start_polling(
+    get_updates_from=datetime.datetime.now() - datetime.timedelta(hours=1),
+    on_startup=on_startup
+)
+```
+
 ## 💳Send to card & check commission
 
 ```python