docs: add .Message.StickerItems and .Guild.Stickers

See botlabs-gg/yagpdb#1752

Signed-off-by: Luca Zeuch <[email protected]>

Author: l-zeuch

content/docs/reference/templates/syntax-and-data.md

@@ -150,6 +150,7 @@ Similarly, provided a channel `$channel`, `$channel.Name` gives the name of the
 | .Guild.OwnerID                     | Outputs the ID of the owner.                                                                                                                                                                                                                                               |
 | .Guild.PreferredLocale             | The preferred locale of a guild with the "PUBLIC" feature; used in server discovery and notices from Discord; defaults to "en-US"                                                                                                                                          |
 | .Guild.Roles                       | Outputs all roles and indexing them gives more information about the role. For example `{{len .Guild.Roles}}` gives you how many roles are there in that guild. Role struct has [following fields](https://discordapp.com/developers/docs/topics/permissions#role-object). |
+| .Guild.Stickers                    | A slice of all [sticker objects] in the guild.                                                                                                                                                                                                                               |
 | .Guild.Splash                      | Outputs the [splash hash](https://discordapp.com/developers/docs/reference#image-formatting) ID of the guild's splash.                                                                                                                                                     |
 | .Guild.SystemChannelID             | The ID of the channel where guild notices such as welcome messages and boost events are posted.                                                                                                                                                                            |
 | .Guild.Threads                     | Returns all active threads in the guild as a slice of type _\[]dstate.ChannelState_.                                                                                                                                                                                       |
@@ -158,6 +159,8 @@ Similarly, provided a channel `$channel`, `$channel.Name` gives the name of the
 | .Guild.WidgetChannelID             | Outputs the channel ID for the server widget.                                                                                                                                                                                                                              |
 | .Guild.WidgetEnabled               | Outputs whether or not the server widget is enabled.                                                                                                                                                                                                                       |
 
+[sticker objects]: https://discord.com/developers/docs/resources/sticker#sticker-object
+
 | **Method**                                                   | **Description**                                                                                                                                                                                                                                                                                                                                                          |
 | ------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
 | `.Guild.BannerURL` "256"                                     | Gives the URL for guild's banner, argument “256” is the size of the picture and increases/decreases twofold (e.g. 512, 1024 or 128, 64 etc.).                                                                                                                                                                                                                            |
@@ -253,11 +256,14 @@ Interaction functions are covered [here](/docs/reference/templates/functions#int
 | .Message.Reactions                   | Reactions on this message, returned as a slice of type _\[]\*discordgo.MessageReactions_. Reaction Object in [Discord documentation](https://discord.com/developers/docs/resources/channel#reaction-object).                                                             |
 | .Message.Reference                   | Reference returns MessageReference of given message.                                                                                                                                                                                                                     |
 | .Message.ReferencedMessage           | Message object associated by message_reference, like a message that was replied to.                                                                                                                                                                                      |
+| .Message.StickerItems                | A slice of [sticker items] attached to the message.                                                                                                                                                                                                                    |
 | .Message.Timestamp                   | Timestamp of the message in type _discordgo.Timestamp_ (use .Message.Timestamp.Parse to get type _time.Time_ and .Parse.String method returns type _string_).                                                                                                            |
 | .Message.TTS                         | Whether the message is text-to-speech. \*                                                                                                                                                                                                                                |
 | .Message.Type                        | The [type](https://discord.com/developers/docs/resources/message#message-object-message-types) of the message.                                                                                                                                                        |
 | .Message.WebhookID                   | If the message is generated by a webhook, this is the webhook's id                                                                                                                                                                                                       |
 
+[sticker items]: https://discord.com/developers/docs/resources/sticker#sticker-item-object-sticker-item-structure
+
 | Field        | Description                                                                                                                                                                                                                                                                |
 | ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | .Args        | List of everything that is passed to .Message.Content. .Args is a _slice_ of type _string_.                                                                                                                                                                                |