Add version group entry with region_id 0 (no PokeAPI region) and region
"lumiose". The Go fetch tool now skips route fetching for region_id 0 so
manually provided data won't be overwritten by re-runs. Includes
placeholder data file and box art.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Moves ~850 lines of inline data from fetch_pokeapi.py into
version_groups.json and route_order.json for easier editing.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
