Implemented value thumbnails (#42)

* options_menu: implemented value thumbnails

* options_menu: use config ptrs as thumbnail keys, added named thumbnails

* options_menu_thumbnails: move header to cpp

UnleashedRecomp/locale/config_locale.cpp

@@ -141,6 +141,11 @@ CONFIG_DEFINE_LOCALE(BattleTheme)
     { ELanguage::English, { "Battle Theme", "Play the Werehog battle theme during combat.\n\nThis option will apply the next time you're in combat." } }
 };
 
+CONFIG_DEFINE_LOCALE(Monitor)
+{
+    { ELanguage::English, { "Monitor", "Change which monitor to display the game on." } }
+};
+
 CONFIG_DEFINE_LOCALE(AspectRatio)
 {
     { ELanguage::English, { "Aspect Ratio", "Change the aspect ratio." } }
@@ -251,7 +256,7 @@ CONFIG_DEFINE_ENUM_LOCALE(EMotionBlur)
     }
 };
 
-CONFIG_DEFINE_LOCALE(XboxColourCorrection)
+CONFIG_DEFINE_LOCALE(XboxColorCorrection)
 {
     { ELanguage::English, { "Xbox Color Correction", "Use the warm tint from the Xbox version of the game." } }
 };