Add functionality to Timers

requirements.txt

strolchibot/forms.py

strolchibot/migrations/0013_config_timers_interval.py

strolchibot/models.py

strolchibot/static/js/scripts.js

strolchibot/templates/timers/edit.html

strolchibot/templates/timers/list.html

strolchibot/urls.py

strolchibot/views.py

twitchbot/strolchibot.py

twitchbot/timers.py