Issues with "range" on melee weapons

Melee weapons in equipment currently say `"range": { "normal": 5 }`, which is iffy in some regards:
1. Technically melee weapons don't _have_ range (unless they also have thrown), they are specifically _not ranged_.
2. The numerical data currently doesn't reflect Reach property.

My first thought was to bump this by 5ft on Reach weapons, but after a closer look _range_ isn't accurate at all. For the record there is also a _separate_ `throw_range` property for thrown.

As far as I can see, the default reach is a _rule_, not an aspect of any specific weapon:

> A melee weapon is used to attack a target within 5 feet of you

So rules-wise this is strictly binary (does weapon have Reach property), not numeric (weapon has X feet reach).