[Feature] Add Deribit Provider Extension For Crypto Options Data (#6985)

* add deribit provider and make some small changes to the standard model to allow for fractional volume and size

* linter

* typehint

* more lint

* more touchup

* update test

* remove line in test

* maybe we need that after all..?

openbb_platform/extensions/derivatives/integration/test_derivatives_python.py

@@ -42,6 +42,7 @@ def obb(pytestconfig):
         ({"provider": "cboe", "symbol": "AAPL", "use_cache": False}),
         ({"provider": "tradier", "symbol": "AAPL"}),
         ({"provider": "yfinance", "symbol": "AAPL"}),
+        ({"provider": "deribit", "symbol": "BTC"}),
         (
             {
                 "provider": "tmx",