Added base cog files

cogs/audio.py

@@ -0,0 +1,16 @@
+import logging
+
+from discord.ext import commands
+
+
+class Audio(commands.Cog):
+    def __init__(self, bot):
+        self.bot = bot  # defining bot as global var in class
+
+    @commands.Cog.listener()  # this is a decorator for events/listeners
+    async def on_ready(self):
+        logging.info(f'Cog {__name__.split(".")[1]} is ready!.')
+
+
+def setup(bot):  # a extension must have a setup function
+    bot.add_cog(Audio(bot))  # adding a cog