CI: Add support for GitHub actions (#680)

* Add initial workflows config

* Add PSQL service

* Add 32bit and frontend jobs

* Add gcc-multilib and fix typo

* Fix backtester test for linux/unix filesystem errors and npm commands

* 32-bit Add -race to purposefully throw an error to ensure envs are set correctly (will revert)

* Revert "32-bit Add -race to purposefully throw an error to ensure envs are set correctly (will revert)"

This reverts commit b97e66c49fca859f8738e01107f96f9ca4040b2e.

* Bump workers count for orderbook processing

* Remove comments to trigger 32-bit cache hit after job success

* Cancel addition plus version bump, spawn more overlords

* Update build badge to Github Actions

* Brach -> Branch

engine/rawr/rawr.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/thrasher-corp/gocryptotrader/currency"
+	"github.com/thrasher-corp/gocryptotrader/exchanges/asset"
+	"github.com/thrasher-corp/gocryptotrader/exchanges/okex"
+	"github.com/thrasher-corp/gocryptotrader/exchanges/order"
+)
+
+func main() {
+	var o okex.OKEX
+	o.SetDefaults()
+
+	o.API.Credentials.Key = "your_key"
+	o.API.Credentials.Secret = "your_secret"
+	o.API.Credentials.ClientID = "your_clientid"
+
+	ord := &order.Submit{
+		Pair:      currency.NewPair(currency.BTC, currency.USDT),
+		Side:      order.Buy,
+		Type:      order.Limit,
+		Price:     50000,
+		Amount:    0.1,
+		AssetType: asset.Spot,
+	}
+	resp, err := o.SubmitOrder(ord)
+	if err != nil {
+		log.Printf("Unable to place order: %s", err)
+	}
+	fmt.Println(resp.OrderID)
+}