2nd Generation Supplement carrier

Needed to carry some new supplements, so a redesign was in order.

I thinned the walls, which makes the whole thing smaller. I added ridges inside to keep the capsules vertical as they're dropped in (it was a pain when they fell over; they need to be vertical to get both sets in).

I added a "tablet extension" for carrying two tablets.

The capsule container can be used with or without the extension. The extension slides onto the capsule container in lieu of the lid. The lid closes eith