add cogs/emoji

cogs/emoji.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+# encoding: utf-8
+
+from discord.ext import commands
+
+class Emoji:
+	def __init__(self, bot):
+		self.bot = bot
+
+	async def __local_check(self, context):
+		return (
+			context.guild
+			and context.author.guild_permissions.manage_emojis)
+
+def setup(bot):
+	bot.add_cog(Emoji(bot))