Add fixed proposition for NodeJS

javascript/ql/src/Security/CWE-798/examples/HardcodedCredentialsHttpRequest.js

@@ -11,8 +11,8 @@ headers.append('Authorization', 'Basic' + base64.encode(username + ":" + passwor
 
 fetch(url, {method:'GET',
         headers: headers,
-        //credentials: 'user:passwd'
+        credentials: `${user}:${passwd}`
        })
 .then(response => response.json())
 .then(json => console.log(json));
-//.done();
+.done();