webhook added

+var express = require('express');
+const bodyParser = require('body-parser');
+var app = express();
+app.use(bodyParser.json());
+
+app.post('/hook', function (request, response) {
+
+    var eventObj = request.body.events[0];
+    var source = eventObj.source;
+    var message = eventObj.message;
+
+    // request log
+    console.log('======================', new Date() ,'======================');
+    console.log('[request]', request.body);
+    console.log('[request source] ', eventObj.source);
+    console.log('[request message]', eventObj.message);
+
+    response.sendStatus(200);
+});
+
+var server = app.listen(23023, function () {
+        var host = server.address().address
+        var port = server.address().port
+        console.log("Example app listening at http://%s:%s", host, port)
+})

+{
+  "name": "webhook",
+  "version": "1.0.0",
+  "description": "",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.19.0",
+    "express": "^4.17.1"
+  }
+}