enhancement: Backgrounds

[Aviortheking]

Data affected

• Card
• Set
• Serie
• Other
• new Data Type

Please explain in more details what idea you have

Modern sets have wallpapers that are available for download, it might be cool to also put them on the DB

interface Wallpaper {
	url: string
	size: `${number}x${number}` // ex 1920x1080
	aspectRatio: `${number}/${number}` // ex 16/9
}