feat: cache area-based paths#6

Delwing wants to merge 1 commit intofix-memory-leakDelwing/js-mudlet-map-renderer:fix-memory-leakfrom

1n29ze-codex/optimize-pathfinding-algorithmDelwing/js-mudlet-map-renderer:1n29ze-codex/optimize-pathfinding-algorithmCopy head branch name to clipboard