environmental citybuilder prototype

Cat Flynn db3e3e7253 add tick clock and tick counter UI #4		2022-12-06 20:11:42 +00:00
half-earth	add tick clock and tick counter UI #4	2022-12-06 20:11:42 +00:00
.gitignore	add gitignore	2022-12-03 16:26:13 +00:00
gdd.md	add gdd	2022-12-03 16:01:14 +00:00