Make theater properties moddable.

Only the Caucasus has been migrated so far. Will follow up with the
others, and also will be adding beacon/airport data to this.

resources/theaters/caucasus/info.yaml

@@ -0,0 +1,39 @@
+---
+name: Caucasus
+timezone: +4
+daytime:
+  dawn: [6, 9]
+  day: [9, 18]
+  dusk: [18, 20]
+  night: [0, 5]
+climate:
+  day_night_temperature_difference: 6.0
+  seasons:
+    winter:
+      average_pressure: 29.72 # TODO: Find real-world data
+      average_temperature: 3.0
+      weather:
+        thunderstorm: 1
+        raining: 20
+        cloudy: 60
+        clear: 20
+    spring:
+      weather:
+        thunderstorm: 1
+        raining: 20
+        cloudy: 40
+        clear: 40
+    summer:
+      average_pressure: 30.02 # TODO: Find real-world data
+      average_temperature: 22.5
+      weather:
+        thunderstorm: 1
+        raining: 10
+        cloudy: 35
+        clear: 55
+    fall:
+      weather:
+        thunderstorm: 1
+        raining: 30
+        cloudy: 50
+        clear: 20