feat(ClientOptions): waitGuildTimeout amount client option (#6576)

Co-authored-by: D Trombett <73136330+DTrombett@users.noreply.github.com>
Co-authored-by: Hackerboi 69 <62872992+thehackerboi69github@users.noreply.github.com>
Co-authored-by: monbrey <rsm999@uowmail.edu.au>
Co-authored-by: Vlad Frangu <kingdgrizzle@gmail.com>
Co-authored-by: Yoshida Tomio <mail@tomio.codes>
Co-authored-by: SpaceEEC <spaceeec@yahoo.com>
Co-authored-by: Noel <buechler.noel@outlook.com>

src/util/Options.js

@@ -70,6 +70,8 @@
  * [User Agent](https://discord.com/developers/docs/reference#user-agent) header
  * @property {PresenceData} [presence={}] Presence data to use upon login
  * @property {IntentsResolvable} intents Intents to enable for this connection
+ * @property {number} [waitGuildTimeout=15_000] Time in milliseconds that Clients with the GUILDS intent should wait for
+ * missing guilds to be recieved before starting the bot. If not specified, the default is 15 seconds.
  * @property {SweeperOptions} [sweepers={}] Options for cache sweeping
  * @property {WebsocketOptions} [ws] Options for the WebSocket
  * @property {HTTPOptions} [http] HTTP options
@@ -128,6 +130,7 @@ class Options extends null {
    */
   static createDefault() {
     return {
+      waitGuildTimeout: 15_000,
       shardCount: 1,
       makeCache: this.cacheWithLimits(this.defaultMakeCacheSettings),
       messageCacheLifetime: 0,