Allow resource drain modifier (resource_drain_rate_percent) to be more than 100

[Stargateur]

resource_drain_rate_percent

resource_drain_rate_percent :: uint8 optional

Default: 100

May not be 0 or larger than 100.

While less than 0 would make no sense (or ? drill that fill up resource ? ) I would like to be allowed to set up a drill to have like 200% resource drain, that would be a drill that go faster but waste resource in the process. Ideally, would have high value allowed like at least 1000%.