Add KUcoin to cripto providers

[glaucouri]

cfr: https://python-kucoin.readthedocs.io/en/latest/

sample API : https://api.kucoin.com/api/v1/market/allTickers doc: https://docs.kucoin.com/#get-symbols-list

[glaucouri]

a sample of record set:

{
code: "200000",
data: {
time: 1632340158052,
ticker: [
{
symbol: "NKN-USDT",
symbolName: "NKN-USDT",
buy: "0.3261",
sell: "0.3277",
changeRate: "0.0836",
changePrice: "0.0253",
high: "0.3316",
low: "0.28",
vol: "79298.19651413",
volValue: "24404.083469983722",
last: "0.3276",
averagePrice: "0.29948814",
takerFeeRate: "0.001",
makerFeeRate: "0.001",
takerCoefficient: "0",
makerCoefficient: "0"
},
{
symbol: "LOOM-BTC",
symbolName: "LOOM-BTC",
buy: "0.00000231",
sell: "0.00000233",
changeRate: "0.0308",
changePrice: "0.00000007",
high: "0.00000234",
low: "0.00000218",
vol: "238526.69956682",
volValue: "0.5372655246339246",
last: "0.00000234",
averagePrice: "0.00000224",
takerFeeRate: "0.001",
makerFeeRate: "0.001",
takerCoefficient: "1",
makerCoefficient: "1"

[glaucouri]

• [ ] Analyze hot to normalize data format. (TBD standard)