docs: update README with /wake/:name request example

.gitignore

@@ -139,3 +139,5 @@ dist
 vite.config.js.timestamp-*
 vite.config.ts.timestamp-*
 .vite/
+
+targets.json

README.md

@@ -6,8 +6,11 @@ Wake-on-LAN API in Node.js
 1. `npm install`
 2. `npm run start`
 
-## Usage
+## Custom targets
+1. Copy `targets.example.json` to `targets.json`
+2. Edit the file and add your targets
 
+## Usage
 ### POST to `/wake`
 ```bash
 curl -X POST -H "Content-Type: application/json" -d '{
@@ -19,3 +22,8 @@ curl -X POST -H "Content-Type: application/json" -d '{
 ```bash
 curl http://localhost:9999/wake?mac=00:AA:BB:CC:DD:EE
 ```
+
+### GET to `/wake/:name`
+```bash
+curl http://localhost:9999/wake/<target name>
+```

api.js

@@ -1,6 +1,7 @@
 import express from 'express';
 import cors from 'cors';
 import { sendWolPacket } from './wol.js';
+import targets from "./targets.json" with { type: "json" };
 
 const app = express();
 const port = 9999;
@@ -37,6 +38,26 @@ app.get('/wake', (req, res) => {
     });
 });
 
+app.get("/wake/:name", (req, res) => {
+    const name = req.params.name;
+    const mac = targets[name];
+
+    if (!mac) {
+        return res.status(404).json({ status: "error", message: "Unknown target" });
+    }
+
+    sendWolPacket(mac)
+    .then(() => res.json({ status: "ok" }))
+    .catch(err => {
+        console.error(err);
+        res.status(500).json({ status: "error", message: "Failed to send WOL packet" });
+    });
+});
+
+app.get("/targets", (req, res) => {
+    res.json(Object.keys(targets));
+});
+
 app.listen(port, () => {
     console.log('WOL server running on port ' + port);
 });

targets.example.json

@@ -0,0 +1,4 @@
+{
+    "pc": "00:AA:BB:CC:DD:EE",
+    "server": "01:23:45:67:89:00"
+}