feat: add support for autocomplete interactions (#6672)

Co-authored-by: Suneet Tipirneni <suneettipirneni@icloud.com>

src/structures/BaseCommandInteraction.js

@@ -16,13 +16,6 @@ class BaseCommandInteraction extends Interaction {
   constructor(client, data) {
     super(client, data);
 
-    /**
-     * The channel this interaction was sent in
-     * @type {?TextBasedChannels}
-     * @name BaseCommandInteraction#channel
-     * @readonly
-     */
-
     /**
      * The id of the channel this interaction was sent in
      * @type {Snowflake}
@@ -138,6 +131,7 @@ class BaseCommandInteraction extends Interaction {
    * @typedef {Object} CommandInteractionOption
    * @property {string} name The name of the option
    * @property {ApplicationCommandOptionType} type The type of the option
+   * @property {boolean} [autocomplete] Whether the option is an autocomplete option
    * @property {string|number|boolean} [value] The value of the option
    * @property {CommandInteractionOption[]} [options] Additional options if this option is a
    * subcommand (group)