environmental citybuilder prototype

Cat Flynn 2b02ccfe33 add diffusion explanation to gdd		2022-12-08 18:43:21 +00:00
half-earth	add basic heat transfer #4	2022-12-07 00:35:12 +00:00
.gitignore	add gitignore	2022-12-03 16:26:13 +00:00
gdd.md	add diffusion explanation to gdd	2022-12-08 18:43:21 +00:00