futures: add GetFuturesContractDetails wrapper function (#1274)

* all in a days work

* cleanup

* cleanup for real, also stop it binance.json

* minor coverage

* adds gateio to the slurry

* cleanup of types

* verbose verbose verbose verbose verbose verbose

* fixes huobi parsing issue

* fix bybit contract identification

* cleanup

* merge fixes

* addresses many big problems raised by SHAZ

* tracking errors and fixes

* funding rate if avail, fixes currency formatting

* Addresses nits and sneaks in extra fixes

* lint

* minor fixes after rebase

* better contract splitter for currencies like T-USDT

* forgot to add the exchange name like a fool

* merge fixes x1

* kucoin, direction, contract size

* rn direction, fix kucoin time

* WHOOPS

* Update exchanges/kucoin/kucoin_wrapper.go

Co-authored-by: Adrian Gallagher <adrian.gallagher@thrasher.io>

* misdirection

---------

Co-authored-by: Adrian Gallagher <adrian.gallagher@thrasher.io>

gctrpc/rpc.swagger.json

@@ -5547,6 +5547,9 @@
           "type": "string",
           "format": "int64"
         },
+        "contractSettlementType": {
+          "type": "string"
+        },
         "orders": {
           "type": "array",
           "items": {
@@ -5583,6 +5586,15 @@
         "currentSize": {
           "type": "string"
         },
+        "contractSize": {
+          "type": "string"
+        },
+        "contractMultiplier": {
+          "type": "string"
+        },
+        "contractSettlementType": {
+          "type": "string"
+        },
         "breakEvenPrice": {
           "type": "string"
         },
@@ -6780,6 +6792,10 @@
             "type": "object",
             "$ref": "#/definitions/gctrpcTradeHistory"
           }
+        },
+        "contractAmount": {
+          "type": "number",
+          "format": "double"
         }
       }
     },