feat(city): ✨ Introduce culture yield calculation to modify city resource generation logic

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

src/simulator/crates/mc-city/src/city.rs

@@ -290,6 +290,7 @@ impl City {
         yields.production += 2.0;
         yields.gold += 1.0;
         yields.science += 1.0;
+        yields.culture += 1.0;
 
         // Sum worked tile yields
         for wt in &self.worked_tiles {