kucoinfutures: add missing endpoints
diff --git a/ts/src/kucoinfutures.ts b/ts/src/kucoinfutures.ts
index c9cff36955fe..efc747c10abd 100644
--- a/ts/src/kucoinfutures.ts
+++ b/ts/src/kucoinfutures.ts
@@ -153,14 +153,19 @@ export default class kucoinfutures extends kucoin {
                         'position': 1,
                         'positions': 4.44,
                         'funding-history': 4.44,
+                        'sub/api-key': 1,
                     },
                     'post': {
                         'withdrawals': 1,
                         'transfer-out': 1, // v2
+                        'transfer-in': 1,
                         'orders': 1.33,
                         'position/margin/auto-deposit-status': 1,
                         'position/margin/deposit-margin': 1,
+                        'position/risk-limit-level/change': 1,
                         'bullet-private': 1,
+                        'sub/api-key': 1,
+                        'sub/api-key/update': 1,
                     },
                     'delete': {
                         'withdrawals/{withdrawalId}': 1,
@@ -168,6 +173,7 @@ export default class kucoinfutures extends kucoin {
                         'orders/{orderId}': 1,
                         'orders': 4.44,
                         'stopOrders': 1,
+                        'sub/api-key': 1,
                     },
                 },
                 'webFront': {

Added some missing endpoints to kucoinfutures:
fixes: #17897
```
kucoinfutures futuresPrivatePostPositionRiskLimitLevelChange '{"symbol":"XBTUSDTM","level":2}'

kucoinfutures.futuresPrivatePostPositionRiskLimitLevelChange ([object Object])
2023-05-13T06:26:07.034Z iteration 0 passed in 595 ms

{ code: '200000', data: true }
```