Visual indicators for stat change if something already equipped in slot

[da-rulez]

Is your feature request related to a problem? Please describe.

Equipment stats could be more informative.

Describe the solution you'd like

1. Don't show equipment stats that are 0. It just clutters the screen for no reason.

2. When already wearing equipment in the slot. Show stat bonuses that decrease in red, stay the same in white, increase in green. Possibly also with the changes in stats next to it.

So if you are wearing a sword that gives +2 attack and -2 defence and you want to equip a bow that gives +1 attack and +1 defence, the equipment information window will show attack in red with a -1 and defense in green with a +3

Additional context

Might get weird if you are wearing a sword that gives +1 attack and -2 defence and then you equip a bow that gives +1 attack and 0 defence. Since the 0 defence wouldn't normally show up. Maybe in those cases do show the 0 defence with a +2 in green.