Create as Announce. (#1)

* Add Create as Announce.

* Add test.

RelayConf/relayconf.go

@@ -4,8 +4,9 @@ import "github.com/go-redis/redis"
 
 // RelayConfig : struct for relay configuration
 type RelayConfig struct {
-	BlockService   bool
-	ManuallyAccept bool
+	BlockService     bool
+	ManuallyAccept   bool
+	CreateAsAnnounce bool
 }
 
 // LoadConfig : Loader for relay configuration
@@ -20,9 +21,15 @@ func LoadConfig(redClient *redis.Client) RelayConfig {
 		redClient.HSet("relay:config", "manually_accept", 0)
 		manuallyAccept = "0"
 	}
+	createAsAnnounce, err := redClient.HGet("relay:config", "create_as_announce").Result()
+	if err != nil {
+		redClient.HSet("relay:config", "create_as_announce", 0)
+		createAsAnnounce = "0"
+	}
 	return RelayConfig{
-		BlockService:   blockService == "1",
-		ManuallyAccept: manuallyAccept == "1",
+		BlockService:     blockService == "1",
+		ManuallyAccept:   manuallyAccept == "1",
+		CreateAsAnnounce: createAsAnnounce == "1",
 	}
 }