Change bridge info protocol ID and add resend_bridge_info config option

config/bridge.go

@@ -45,6 +45,7 @@ type BridgeConfig struct {
 
 	SyncWithCustomPuppets bool `yaml:"sync_with_custom_puppets"`
 	SyncDirectChatList    bool `yaml:"sync_direct_chat_list"`
+	ResendBridgeInfo      bool `yaml:"resend_bridge_info"`
 	FederateRooms         bool `yaml:"federate_rooms"`
 
 	DoublePuppetServerMap      map[string]string `yaml:"double_puppet_server_map"`
@@ -65,6 +66,10 @@ type BridgeConfig struct {
 	channelnameTemplate *template.Template `yaml:"-"`
 }
 
+func (bc *BridgeConfig) GetResendBridgeInfo() bool {
+	return bc.ResendBridgeInfo
+}
+
 func (bc *BridgeConfig) EnableMessageStatusEvents() bool {
 	return bc.MessageStatusEvents
 }