chore: add swqos client

pkg/swqos/types.go

@@ -0,0 +1,19 @@
+package swqos
+
+import (
+	"context"
+
+	"github.com/gagliardetto/solana-go"
+)
+
+type SWQoSClientConfig struct {
+	SendTxUrl     string `json:"sendTxUrl"`
+	SendBundleUrl string `json:"sendBundleUrl"`
+	KeepAliveUrl  string `json:"keepAliveUrl"`
+}
+
+type SWQoSClient interface {
+	SendTransaction(ctx context.Context, tx *solana.Transaction) error
+
+	SendBundle(ctx context.Context, txs []*solana.Transaction) error
+}