added user agent header

Signed-off-by: NeelParihar <[email protected]>

Author: Neelterminusdb

lib/dispatchRequest.js

@@ -2,7 +2,7 @@ const axiosInstance = require('./axiosInstance')
 const UTILS = require('./utils.js')
 const CONST = require('./const.js')
 const ErrorMessage = require('./errorMessage')
-
+const { version } = require('../package.json')
 /**
  * base 64 encodes a string using either the btoa implementation if available or the Buffer object.
  * @param {String} str string to be base 64 encoded
@@ -77,6 +77,11 @@ function DispatchRequest(url, action, payload, local_auth, remote_auth = null, c
             options.headers[key] = customHeaders[key]
         })
     }
+
+    if(typeof window === 'undefined') {
+        options.headers['User-Agent'] = 'terminusdb-client-js/'+version;
+    }
+
     switch (action) {
         case CONST.DELETE:
             if (payload) {