Add support for OCO orders

[yashptel]

This is supported via WEB UI. Why not via the API? Is it just the binance clone? Because Binance also has the same issue...

https://www.asterdex.com/bapi/futures/v3/private/future/strategy/place-order

{

    "strategyType": "OTOCO",
    "subOrderList": [
        {
            "symbol": "BTCUSDT",
            "strategySubId": 1,
            "firstDrivenId": 0,
            "secondDrivenId": 0,
            "side": "BUY",
            "positionSide": "BOTH",
            "type": "LIMIT",
            "quantity": "0.002",
            "securityType": "USDT_FUTURES",
            "reduceOnly": false,
            "timeInForce": "GTC",
            "price": "80000"
        },
        {
            "symbol": "BTCUSDT",
            "side": "SELL",
            "positionSide": "BOTH",
            "securityType": "USDT_FUTURES",
            "firstTrigger": "PLACE_ORDER",
            "firstDrivenOn": "PARTIALLY_FILLED_OR_FILLED",
            "secondDrivenOn": "PARTIALLY_FILLED_OR_FILLED",
            "secondTrigger": "CANCEL_ORDER",
            "timeInForce": "GTE_GTC",
            "reduceOnly": true,
            "quantity": "0.002",
            "strategySubId": 2,
            "firstDrivenId": 1,
            "secondDrivenId": 3,
            "stopPrice": "81000",
            "workingType": "MARK_PRICE",
            "type": "TAKE_PROFIT_MARKET",
            "priceProtect": true
        },
        {
            "symbol": "BTCUSDT",
            "side": "SELL",
            "positionSide": "BOTH",
            "securityType": "USDT_FUTURES",
            "firstTrigger": "PLACE_ORDER",
            "firstDrivenOn": "PARTIALLY_FILLED_OR_FILLED",
            "secondDrivenOn": "PARTIALLY_FILLED_OR_FILLED",
            "secondTrigger": "CANCEL_ORDER",
            "timeInForce": "GTE_GTC",
            "reduceOnly": true,
            "quantity": "0.002",
            "strategySubId": 3,
            "firstDrivenId": 1,
            "secondDrivenId": 2,
            "stopPrice": "79000",
            "workingType": "CONTRACT_PRICE",
            "type": "STOP_MARKET",
            "priceProtect": true
        }
    ],
    "signer": "***",
    "user": "***",
    "nonce": 1766483142103700,
    "signature": "****"
}