v6.3 Minor Tweaks

Changes:

ship command restyle
new proper poll command (with multiple choices and random emojis)
moved dm to owner when new guild joins to functions.js
removed respawn command due to discord rate limit

QoL:

mute command has now a duration/time argument (user will be unmuted after a given time)
welcome message now mentions the user

Fixes:

fixed and updated images in .botinfo and .serverinfo to discordjs v12
fixed a console error with giveaway command, if no answer was given in time

Added:

toggle autodeletion of commands, can be set in .setconfig command

Other:

updated dependencies to latest version