docs(*): add links to Discord's API objects & data (#5862)

src/structures/VoiceState.js

@@ -9,7 +9,7 @@ const { Error, TypeError } = require('../errors');
 class VoiceState extends Base {
   /**
    * @param {Guild} guild The guild the voice state is part of
-   * @param {Object} data The data for the voice state
+   * @param {APIVoiceState} data The data for the voice state
    */
   constructor(guild, data) {
     super(guild.client);
@@ -233,3 +233,8 @@ class VoiceState extends Base {
 }
 
 module.exports = VoiceState;
+
+/**
+ * @external APIVoiceState
+ * @see {@link https://discord.com/developers/docs/resources/voice#voice-state-object}
+ */