Add sticker limit

src/api/routes/guilds/#guild_id/stickers.ts

@@ -27,6 +27,8 @@ import {
 	StickerType,
 	emitEvent,
 	uploadFile,
+	Config,
+	DiscordApiErrors,
 } from "@spacebar/util";
 import { Request, Response, Router } from "express";
 import { HTTPError } from "lambert-server";
@@ -87,6 +89,16 @@ router.post(
 		const body = req.body as ModifyGuildStickerSchema;
 		const id = Snowflake.generate();
 
+		const sticker_count = await Sticker.count({
+			where: { guild_id: guild_id },
+		});
+		const { maxStickers } = Config.get().limits.guild;
+
+		if (sticker_count >= maxStickers)
+			throw DiscordApiErrors.MAXIMUM_STICKERS.withParams(
+				maxStickers,
+			);
+
 		const [sticker] = await Promise.all([
 			Sticker.create({
 				...body,