roles, embeds & emojis commands

• ,r create <name> create a role
• ,r <user> <role> toggle a role on a user
• ,r hexcode <role> <hex> change role color (gradients supported)
• ,r seticon <role> <emoji/url> change role icon
• ,r move <role> <position> move a role up/down (also +2 / -3)
• ,setroleicon <role> <emoji/url> same, standalone
• ,clonerole <role> [name] duplicate a role
• ,brsetup booster role, and which channels br commands work in
• ,br check <user> inspect someone's booster role
• ,br bind <role> <user> bind an existing role as their booster role
• ,embed create <json> create a custom embed
• ,embed help embed creation guide
• ,steal emoji <emojis> [name] add up to 50 emojis here at once
• ,steal sticker [name] reply to a sticker to add it here