add nodejs serial example

examples/nodejs_serial_connection.js

@@ -0,0 +1,27 @@
+import NodeJSSerialConnection from "../src/connection/nodejs_serial_connection.js";
+
+// create tcp connection
+const connection = new NodeJSSerialConnection();
+
+// wait until connected
+connection.on("connected", async () => {
+
+    // we are now connected
+    console.log("Connected");
+
+    // log contacts
+    const contacts = await connection.getContacts();
+    for(const contact of contacts) {
+        console.log(`Contact: ${contact.advName}`);
+    }
+
+    // send message to public channel
+    // await connection.sendChannelTextMessage(0, "test");
+
+    // disconnect
+    await connection.close();
+
+});
+
+// connect to meshcore device
+await connection.connect("/dev/cu.usbmodem14401");

src/connection/web_serial_connection.js

@@ -63,8 +63,7 @@ class WebSerialConnection extends SerialConnection {
 
     }
 
-    // override
-    async write(bytes) {
+    /* override */ async write(bytes) {
         const writer = this.writable.getWriter();
         try {
             await writer.write(new Uint8Array(bytes));