docs(Webhook): id and token information (#3962)

* Documented how to get ID and Token of a webhook

* Update docs/examples/webhook.js

Co-Authored-By: Sugden <28943913+NotSugden@users.noreply.github.com>

* Explained whats the response body

* Update docs/examples/webhook.js

Co-Authored-By: Crawl <icrawltogo@gmail.com>

* Update docs/examples/webhook.js

Co-Authored-By: Crawl <icrawltogo@gmail.com>

* Update webhook.js

* Capitilized ID

Co-authored-by: Sugden <28943913+NotSugden@users.noreply.github.com>
Co-authored-by: Crawl <icrawltogo@gmail.com>

docs/examples/webhook.js

@@ -6,8 +6,13 @@
 
 // Import the discord.js module
 const Discord = require('discord.js');
-
-// Create a new webhook
+/*
+ * Create a new webhook
+ * The Webbooks ID and token can be found in the URL, when you request that URL, or in the response body.
+ * https://discordapp.com/api/webhooks/12345678910/T0kEn0fw3Bh00K
+ *                                     ^^^^^^^^^^  ^^^^^^^^^^^^ 
+ *                                     Webhook ID  Webhook Token
+ */
 const hook = new Discord.WebhookClient('webhook id', 'webhook token');
 
 // Send a message using the webhook