New langkeys: settings.labels.theme.themes

Basically allows you to translate theme names to your language instead of them being hard-coded

translations/base-en.yaml

@@ -639,6 +639,9 @@ settings:
             title: Game theme
             description: >-
                 Choose the game theme (light / dark).
+            themes:
+                dark: Dark
+                light: Light
 
         refreshRate:
             title: Simulation Target

translations/base-pl.yaml

@@ -650,6 +650,9 @@ settings:
             title: Motyw Graficzny Gry
             description: >-
                 Wybierz motyw (jasny / ciemny).
+            themes:
+                dark: Ciemny
+                light: Jasny
 
         refreshRate:
             title: Częstość Odświeżania