Custom Paintings

Ported by random_revilo to 1.21.9, 1.21.10 and 1.21.11

• Drop items on the floor if the player has a full inventory.
• Add the icon.

• Add optional arguments to the end to choose how many blocks to cover, e.g. /painting "https://example.com/image.png" 4 4
• A limitation to this is inventory space so any images larger than 27 blocks in total will cause some maps to be lost, working on a fix for this

• Single command /painting <url>