add example to get repeater status via usb serial in nodejs

examples/nodejs_get_repeater_status.js

@@ -0,0 +1,34 @@
+import NodeJSSerialConnection from "../src/connection/nodejs_serial_connection.js";
+
+// create serial connection
+const connection = new NodeJSSerialConnection("/dev/cu.usbmodem14401");
+
+// wait until connected
+connection.on("connected", async () => {
+
+    // we are now connected
+    console.log("Connected");
+
+    // find contact
+    const contact = await connection.findContactByPublicKeyPrefix([0x93, 0x5c, 0x6b, 0x69]);
+    if(!contact){
+        console.log("Contact not found");
+        return;
+    }
+
+    // login to repeater (with empty guest password)
+    console.log("Logging in...");
+    await connection.login(contact.publicKey, "");
+
+    // get repeater status
+    console.log("Fetching status...");
+    const status = await connection.getStatus(contact.publicKey);
+    console.log(status);
+
+    // disconnect
+    await connection.close();
+
+});
+
+// connect to meshcore device
+await connection.connect();