cmd/swarm/global-store: global store cmd (#19014)

(cherry picked from commit 33d0a0efa6)

swarm/api/config.go

@@ -71,6 +71,7 @@ type Config struct {
 	SwapAPI              string
 	Cors                 string
 	BzzAccount           string
+	GlobalStoreAPI       string
 	privateKey           *ecdsa.PrivateKey
 }