Shared column schema: nba live boxscore arena schema

Columns shared verbatim across: nba_live_boxscore, nbagl_live_boxscore.

Details

col_name	types	description
arena_id	integer	Unique identifier for arena.
arena_name	character	Arena name.
arena_city	character	Arena city.
arena_state	character	Arena state.
arena_country	character	Arena country.
arena_timezone	character	Arena timezone.