Initial support for Germany Cold War (#518)

* Initial support of Germany Cold War terrain

* Updated with latest beacon import

* Updated changelog and ran black

* Fixed the GermanyCW landmap and naming scheme

* Temporarily changed the requirements for pydcs to my branch (will switch back when merged)

* Updated landmap for germanycw with even fewer exclusions

* Removed unnecessary changes

* Updated requirements to lastest pydcs

* Fixed naming issues for Germany

* Update pydcs to latest commit for GCW support

* Add landmap to game.theater.__init__

* Update requirements.txt

* Resolve PyCharm type-waring

* Updated pydcs and exclusion of germany

* Updated land and sea shapefiles for Germany Cold War with new map limits

---------

Co-authored-by: Raffson <Raffson@users.noreply.github.com>

resources/theaters/germanycw/info.yaml

@@ -0,0 +1,44 @@
+---
+name: GermanyCW # Mostly based on Caucasus, could be updated with more appropriate data if necessary
+timezone: +1
+daytime:
+  dawn: [6, 9]
+  day: [9, 18]
+  dusk: [18, 20]
+  night: [0, 5]
+climate:
+  day_night_temperature_difference: 9.0
+  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
+  turbulence:
+    high_avg_yearly_turbulence_per_10cm: 9
+    low_avg_yearly_turbulence_per_10cm: 3.5
+    solar_noon_turbulence_per_10cm: 3.5
+    midnight_turbulence_per_10cm: -3