Add (optional) Toronto offset to `gis.direction_from_line`

[gabrielwol]

bdit_pgutils/gis/direction_from_line.sql

Line 13 in 4e7fb2b

FROM (VALUES ('Northbound', int4range(0,45)), ('Northbound', int4range(315,361)), ('Eastbound', int4range(45,135)), ('Southbound', int4range(135,225)), ('Westbound', int4range(225,315))) AS t(direction, angle_range)

[gabrielwol]

See Nate's implementation here: https://github.com/Toronto-Big-Data-Innovation-Team/aadt/blob/89e45c9f49c8ac54966d2869f8209ba0da50a741/1-network/1-network.sql#L86-L95

I think this could be an optional to_offset boolean param so existing applications of this function are stable