<gray>Examples:
 <gold>* <yellow>/npc skin <gold>cool_npc1 static Notch
 <gold>* <yellow>/npc skin <gold>my_npc mirror
 <gold>* <yellow>/npc skin <gold>12 dynamic %leaderboard_mining_top_1%
 <gold>* <yellow>/npc skin <gold>npc1234 url classic https://s.namemc.com/i/5d5eb6d84b57ea29.png

<gray>Skin Types:
 <gold>* <yellow>Static <gray>- Only fetch the skin once and save the skin data
 <gold>* <yellow>Mirror <gray>- Copy the skin of the player who is viewing the npc
 <gold>* <yellow>Dynamic <gray>- Fetch the skin whenever the npc comes into viewing distance (supports placeholders)
 <gold>* <yellow>Url <gray>- Fetch the skin from an url to a raw skin file, this works like static

<gray>Command used to change the skin of an npc