Simple less intrusive version of built-in debug settings `show-tile-grid` feature. Useful for radar, pollution, artillery fire, UPS, map generation, chunk-aligned trains, biter expansion, etc. ⚠ This mod currently has some performance/UPS issues. It will probably require a rewrite to fix them. Sorry. 💀
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
