feat(Util): add missing colors to docs (#3843)

Co-authored-by: Crawl <icrawltogo@gmail.com>

Author: samsamson33

src/util/Util.js

@@ -419,6 +419,10 @@ class Util {
    * - `DARK_GREY`
    * - `LIGHT_GREY`
    * - `DARK_NAVY`
+   * - `BLURPLE`
+   * - `GREYPLE`
+   * - `DARK_BUT_NOT_BLACK`
+   * - `NOT_QUITE_BLACK`
    * - `RANDOM`
    * @typedef {string|number|number[]} ColorResolvable
    */

typings/index.d.ts

@@ -2329,6 +2329,10 @@ declare module 'discord.js' {
     | 'DARK_GREY'
     | 'LIGHT_GREY'
     | 'DARK_NAVY'
+    | 'BLURPLE'
+    | 'GREYPLE'
+    | 'DARK_BUT_NOT_BLACK'
+    | 'NOT_QUITE_BLACK'
     | 'RANDOM'
     | [number, number, number]
     | number