Originally posted by Tachyon:

Until QOL tweaks eventually come along there are mods that add a paperdoll + 3 quick-slots, mods to decrease item weight and increase stack sizes, etc. Check NexusMods out.

https://valheim.thunderstore.io/package/RandyKnapp/EquipmentAndQuickSlots/
A mod that adds slots that are basic features in 99% of games with gear.

I quoted Tachyon because he pointed out Nexus. Wanted both sources of mods in the same post. ;p