Use slash commands for appointments

.env.template

.gitignore

.idea/.gitignore

.idea/inspectionProfiles/Project_Default.xml

.idea/inspectionProfiles/profiles_settings.xml

.idea/misc.xml

.idea/modules.xml

.idea/vcs.xml

.idea/xanathar.iml

cogs/appointments.py

cogs/components/poll/poll.py

cogs/polls.py

requirements.txt

utils.py

xanathar.py