feat: implement coinank free kline api and kline websocket (#1281)

- implement coinank free kline api in coinank_api.Kline
- implement coinank free kline ws in coinank_api.KlineWs. if needKline is true, kline data read from KlineCh. if needTicker is true, tickers data  read from TickersCh.

provider/coinank/coinank_api/kline_test.go

@@ -0,0 +1,21 @@
+package coinank_api
+
+import (
+	"context"
+	"encoding/json"
+	"nofx/provider/coinank/coinank_enum"
+	"testing"
+	"time"
+)
+
+func TestKline(t *testing.T) {
+	resp, err := Kline(context.TODO(), "BTCUSDT", coinank_enum.Binance, time.Now().UnixMilli(), coinank_enum.To, 10, coinank_enum.Hour1)
+	if err != nil {
+		t.Error(err)
+	}
+	res, err := json.Marshal(resp)
+	if err != nil {
+		t.Error(err)
+	}
+	t.Logf("%s", res)
+}