Implement cogs

[mmcmd]

For organizing the bot
https://discordpy.readthedocs.io/en/latest/ext/commands/cogs.html

[vcidst]

For this I am thinking of the following structure with each command going in its own .py file.

verification-bot
- cogs
-- __init__.py
-- github.py
-- uptime.py
-- booster.py
-- birthday.py
-- ping.py
-- steve.py
verif.py
<everything-else>