CC: Create Redstone Link

Fixes

• Respect Create's linkRange config when reading signals (#2, reported by @aldveylor). getLinkSignal was iterating every transmitter on the network without doing a range check, so it would pick up signals that Create's own receivers correctly ignore as out-of-range. The bridge now filters by closerThan(bridgePos, linkRange) against the bridge's (or holder's, for the pocket/turtle upgrade) position, matching Create's own RedstoneLinkNetworkHandler.withinRange behavior.