[WAHA] send: add support for patching - additional nodes

From
tulir#886

Author: purpshell

send.go

@@ -152,6 +152,8 @@ type SendRequestExtra struct {
 
 	// When sending status message you can specify the recipients
 	Participants []types.JID
+	// use this only if you know what you are doing
+	AdditionalNodes *[]waBinary.Node
 }
 
 // SendMessage sends the given message.
@@ -333,6 +335,10 @@ func (cli *Client) SendMessage(ctx context.Context, to types.JID, message *waE2E
 		}
 	}
 
+	if req.AdditionalNodes != nil {
+		extraParams.additionalNodes = req.AdditionalNodes
+	}
+
 	resp.Sender = ownID
 
 	start := time.Now()
@@ -679,9 +685,10 @@ func (cli *Client) sendNewsletter(
 }
 
 type nodeExtraParams struct {
-	botNode        *waBinary.Node
-	metaNode       *waBinary.Node
-	addressingMode types.AddressingMode
+	botNode         *waBinary.Node
+	metaNode        *waBinary.Node
+	additionalNodes *[]waBinary.Node
+	addressingMode  types.AddressingMode
 }
 
 func (cli *Client) sendGroup(
@@ -1053,6 +1060,9 @@ func (cli *Client) getMessageContent(
 	if extraParams.metaNode != nil {
 		content = append(content, *extraParams.metaNode)
 	}
+	if extraParams.additionalNodes != nil {
+		content = append(content, *extraParams.additionalNodes...)
+	}
 
 	if buttonType := getButtonTypeFromMessage(message); buttonType != "" {
 		content = append(content, waBinary.Node{