(Exchange) Add FTX exchange support with implementation tutorial (#495)

* initial

* wip

* brokenwip

* broken wipzzzz

* more functions

brokenwip

NO API KEYS

* broken wip

* WIP

* wip

* WIP

work in progress

* WIP

* WIP

* wip

* more wip

* wip

* ws wip

* broken wip

* adding new functions for websocket to work

* trying to fix websocket issues

* websocket bug fix wip

* broken websocket implementation

* WS unauth functions + brokenWS auth func

* authentication problems

* authentication problems fixed

* data handling for websocket

* websocket completed

* remove verbose

* minor error fix changes and testing

* reorganising variable declarations and minor errors fixed

* enabled exchanges updated

* enabled exchanges fixed

* remove keys

* glorious nits

* xdta n shazzy nitzzz

* shazzy n thrasher nitz

* nitz wip

* broken wip

* apichecker donee n make code better

* apichecker donee n make code better

* OB update

* wip

* wip

* all nitz done

* merge conflicts

* go mod tidy

* merge conflicts

* PLEASE merge conflicts

* new funcs added n binanceapi check update

NO APIKEYS

* basic tests

* linter fixs

* linter fixs

* remove verbose

* test errors fixed

* remove comented code

* minor changes

* some tests fixed

no apikeys

* documentation work

* documentation

* wip

* ryan nitz

* nits addressed

* unnecessary conversion

* no fail

* remove verbose

* type field checking

* broken

* websocket nits fixed

* some thangs

* remove verbose

* fix function

* linter issues

* test error fixed

* nits

* bumperino fixed

* very small change

* nits

* errors fixing

* errors fixing retry

* linters

* thrasher glorious nits

* more changes

* changes

* 2 more changes to be addressed

* 2 more changes to be addressed

* issues addressed

* whip

* changes

* missed change

* changes

* currency issues

* changes

* unsaved

* int64

* HUGE

* HUGE

* NO NITS PLS

* no more

* YES

* :

* changes

* PLEASE

* n another one

* thanks guys

* ill believe in god if this ever ends

* :D

testdata/configtest.json

@@ -2430,6 +2430,63 @@
      "supportedCurrencies": ""
     }
    ]
+  },
+  {
+   "name": "FTX",
+   "enabled": true,
+   "verbose": false,
+   "httpTimeout": 0,
+   "websocketResponseCheckTimeout": 0,
+   "websocketResponseMaxLimit": 0,
+   "websocketTrafficTimeout": 0,
+   "websocketOrderbookBufferLimit": 0,
+   "baseCurrencies": "USD",
+   "currencyPairs": {
+    "assetTypes": [
+     "spot",
+     "futures"
+    ],
+    "pairs": {
+        "futures": {
+         "enabled": "DOGE-PERP",
+         "available": "ADA-PERP,ADA-0626,ALGO-PERP,ALGO-0626,ALT-PERP,ALT-0626,ATOM-PERP,ATOM-0626,BCH-PERP,BCH-0626,BNB-PERP,BNB-0626,BSV-PERP,BSV-0626,BTC-PERP,BTC-MOVE,BTC-MOVE,BTC-MOVE,BTC-MOVE,BTC-MOVE,BTC-MOVE,BTC-0626,BTC-MOVE,BTC-0925,BTC-MOVE,BTC-MOVE,BTMX-PERP,BTMX-0626,DOGE-PERP,DOGE-0626,DRGN-PERP,DRGN-0626,EOS-PERP,EOS-0626,ETC-PERP,ETC-0626,ETH-PERP,ETH-0626,EXCH-PERP,EXCH-0626,HT-PERP,HT-0626,LEO-PERP,LEO-0626,LINK-PERP,LINK-0626,LTC-PERP,LTC-0626,MATIC-PERP,MATIC-0626,MID-PERP,MID-0626,OIL100-0525,OKB-PERP,OKB-0626,PAXG-PERP,PAXG-0626,BERNIE,BIDEN,BLOOMBERG,PETE,TRUMP,WARREN,PRIV-PERP,PRIV-0626,SHIT-PERP,SHIT-0626,TOMO-PERP,TOMO-0626,TRX-PERP,TRX-0626,TRYB-PERP,TRYB-0626,USDT-PERP,USDT-0626,XAUT-PERP,XAUT-0626,XRP-PERP,XRP-0626,XTZ-PERP,XTZ-0626",
+         "requestFormat": {
+          "uppercase": true,
+          "delimiter": "-"
+         },
+         "configFormat": {
+          "uppercase": true,
+          "delimiter": "-"
+         }
+        },
+        "spot": {
+         "enabled": "BTC/USD",
+         "available": "BCH/USD,BCH/USDT,BNB/USD,BNB/USDT,BTC/USD,BTC/USDT,BTMX/USD,ETH/USD,ETH/USDT,FTT/BTC,FTT/USD,FTT/USDT,LINK/USD,LINK/USDT,LTC/USD,LTC/USDT,PAXG/USD,PAXG/USDT,TRX/USD,TRX/USDT,TRYB/USD,USDT/USD,XAUT/USD,XAUT/USDT,ADABEAR/USD,ADABULL/USD,ADAHALF/USD,ADAHALF/USDT,ADAHEDGE/USD,ALGOBEAR/USD,ALGOBULL/USD,ALGOHALF/USD,ALGOHALF/USDT,ALGOHEDGE/USD,ALTBEAR/USD,ALTBULL/USD,ALTHALF/USD,ALTHALF/USDT,ALTHEDGE/USD,ATOMBEAR/USD,ATOMBULL/USD,ATOMHALF/USD,ATOMHALF/USDT,ATOMHEDGE/USD,BCHBEAR/USD,BCHBEAR/USDT,BCHBULL/USD,BCHBULL/USDT,BCHHALF/USD,BCHHALF/USDT,BCHHEDGE/USD,BEAR/USD,BEAR/USDT,BEARSHIT/USD,BNBBEAR/USD,BNBBEAR/USDT,BNBBULL/USD,BNBBULL/USDT,BNBHALF/USD,BNBHALF/USDT,BNBHEDGE/USD,BSVBEAR/USD,BSVBEAR/USDT,BSVBULL/USD,BSVBULL/USDT,BSVHALF/USD,BSVHALF/USDT,BSVHEDGE/USD,BTMXBEAR/USD,BTMXBEAR/USDT,BTMXBULL/USD,BTMXBULL/USDT,BTMXHALF/USD,BTMXHALF/USDT,BTMXHEDGE/USD,BULL/USD,BULL/USDT,BULLSHIT/USD,BVOL/USD,BVOL/USDT,DOGEBEAR/USD,DOGEBULL/USD,DOGEHALF/USD,DOGEHALF/USDT,DOGEHEDGE/USD,DRGNBEAR/USD,DRGNBULL/USD,DRGNHALF/USD,DRGNHALF/USDT,DRGNHEDGE/USD,EOSBEAR/USD,EOSBEAR/USDT,EOSBULL/USD,EOSBULL/USDT,EOSHALF/USD,EOSHALF/USDT,EOSHEDGE/USD,ETCBEAR/USD,ETCBULL/USD,ETCHALF/USD,ETCHALF/USDT,ETCHEDGE/USD,ETHBEAR/USD,ETHBEAR/USDT,ETHBULL/USD,ETHBULL/USDT,ETHHALF/USD,ETHHALF/USDT,ETHHEDGE/USD,EXCHBEAR/USD,EXCHBULL/USD,EXCHHALF/USD,EXCHHALF/USDT,EXCHHEDGE/USD,HALF/USD,HALF/USDT,HALFSHIT/USD,HALFSHIT/USDT,HEDGE/USD,HEDGESHIT/USD,HTBEAR/USD,HTBULL/USD,HTHALF/USD,HTHALF/USDT,HTHEDGE/USD,IBVOL/USD,IBVOL/USDT,LEOBEAR/USD,LEOBULL/USD,LEOHALF/USD,LEOHALF/USDT,LEOHEDGE/USD,LINKBEAR/USD,LINKBEAR/USDT,LINKBULL/USD,LINKBULL/USDT,LINKHALF/USD,LINKHALF/USDT,LINKHEDGE/USD,LTCBEAR/USD,LTCBEAR/USDT,LTCBULL/USD,LTCBULL/USDT,LTCHALF/USD,LTCHALF/USDT,LTCHEDGE/USD,MATICBEAR/USD,MATICBULL/USD,MATICHALF/USD,MATICHALF/USDT,MATICHEDGE/USD,MIDBEAR/USD,MIDBULL/USD,MIDHALF/USD,MIDHALF/USDT,MIDHEDGE/USD,OKBBEAR/USD,OKBBULL/USD,OKBHALF/USD,OKBHALF/USDT,OKBHEDGE/USD,PAXGBEAR/USD,PAXGBULL/USD,PAXGHALF/USD,PAXGHALF/USDT,PAXGHEDGE/USD,PRIVBEAR/USD,PRIVBULL/USD,PRIVHALF/USD,PRIVHALF/USDT,PRIVHEDGE/USD,TOMOBEAR/USD,TOMOBULL/USD,TOMOHALF/USD,TOMOHALF/USDT,TOMOHEDGE/USD,TRXBEAR/USD,TRXBULL/USD,TRXHALF/USD,TRXHALF/USDT,TRXHEDGE/USD,TRYBBEAR/USD,TRYBBULL/USD,TRYBHALF/USD,TRYBHALF/USDT,TRYBHEDGE/USD,USDTBEAR/USD,USDTBULL/USD,USDTHALF/USD,USDTHALF/USDT,USDTHEDGE/USD,XAUTBEAR/USD,XAUTBULL/USD,XAUTHALF/USD,XAUTHALF/USDT,XAUTHEDGE/USD,XRPBEAR/USD,XRPBEAR/USDT,XRPBULL/USD,XRPBULL/USDT,XRPHALF/USD,XRPHALF/USDT,XRPHEDGE/USD,XTZBEAR/USD,XTZBEAR/USDT,XTZBULL/USD,XTZBULL/USDT,XTZHALF/USD,XTZHALF/USDT,XTZHEDGE/USD",
+         "requestFormat": {
+          "uppercase": true,
+          "delimiter": "/"
+         },
+         "configFormat": {
+          "uppercase": true,
+          "delimiter": "/"
+         }
+        }
+       }
+      },
+   "api": {
+    "authenticatedSupport": false,
+    "authenticatedWebsocketApiSupport": true,
+    "endpoints": {
+     "url": "",
+     "urlSecondary": "",
+     "websocketURL": ""
+    },
+    "credentials": {
+     "key": "Key",
+     "secret": "Secret"
+    }
+   },
+   "features": null
   }
  ],
  "bankAccounts": [