Tough feet trait jsonification

[Dan1ss1mo]

Summary

Features "Tough feet trait effect now tied to flag rather then specific traits"

Purpose of change

More json for the json god, also i wanted to make some integrated armor to have this effect, becouse even tho it is considered skintight, it should still be tough enogh to keep youre soles safe

Describe the solution

Tough_feet flag that can be used on mutations and worn items

Describe alternatives you've considered

Testing

Barefooted penalties doen't apply with any of the changed traits or clothing with this flag

Additional context

[bombasticSlacks]

Rebased so this would run again