feat(settings.py): add ctx_to_guid function to convert context to guild id for database queries
feat(settings.py): add support for changing the model used by the bot
fix(settings.py): fix images command not updating the database correctly
feat(cogs/setup.py): add dms_only check to setup_dms command
refactor(cogs/setup.py): move ctx_to_guid function to config.py
refactor(cogs/setup.py): move mg_to_guid function to config.py
feat(makeprompt.py): add support for DMs conversations
fix(makeprompt.py): fix images setting retrieval from database
fix(makeprompt.py): fix guild_id to guid conversion in database queries
refactor(makeprompt.py): extract historicator function to get the channel or user of a message
refactor(makeprompt.py): remove debug statements and unused variables
