Function parse_deribit_instrument_any 

pub fn parse_deribit_instrument_any(
    instrument: &DeribitInstrument,
    ts_init: UnixNanos,
    ts_event: UnixNanos,
) -> Result<Option<InstrumentAny>>

Parses a Deribit instrument into a Nautilus InstrumentAny.

Returns Ok(None) for unsupported instrument types (e.g., combos).

Errors

Returns an error if:

• Required fields are missing (e.g., strike price for options)
• Timestamp conversion fails
• Decimal conversion fails for fees