[Not Ready] use Tile Reduce v3, improve false-positive matching, speed

[tcql]

• Switches to tile reduce v3 - waiting for merge on Next generation Tile Reduce tile-reduce#46
• Filter by pavement types to exclude non-paved footways
• use rbush indexing to drastically improve speed

[mourner]

• first gather an array of bbox+id objects, then do roadIndex.load(items) — bulk loading is faster than insert one by one
• try inserting segments separately (they don't have to be combined for intersection tests) — smaller bboxes means more efficient searches
• avoid concat in places where you could just do push (doing less copy)

[tcql]

TileReduce v3 is 👍, just need to incorporate @mourner's suggestions

[mourner]

You can merge now and implement suggestions later.