Increase furniture storage to 6

[MAGIC]

Perhaps it's a little bit of an OCD request but it would be nice if we could store 6 books in a bookshelf as it would fill up the shelf's inventory screen.

[Fabulous Secret Powers]

[Vlaid]

I would just prefer the storage chests were 10 slots and double the price, or even go up to 20 but make each one cost like 3k gold.