Settings: Add scenario editor section

src/lang/english.txt

@@ -1936,6 +1936,7 @@ STR_CONFIG_SETTING_AI                                           :{ORANGE}Competi
 STR_CONFIG_SETTING_AI_NPC                                       :{ORANGE}Computer players
 STR_CONFIG_SETTING_VIEWPORT_MAP_OPTIONS                         :{ORANGE}Map mode
 STR_CONFIG_SETTING_SHARING                                      :{ORANGE}Infrastructure sharing
+STR_CONFIG_SETTING_SCENARIO_EDITOR                              :{ORANGE}Scenario Editor
 
 STR_CONFIG_SETTING_PATHFINDER_NPF                               :NPF
 STR_CONFIG_SETTING_PATHFINDER_YAPF_RECOMMENDED                  :YAPF {BLUE}(Recommended)

src/settings_gui.cpp

@@ -2008,6 +2008,12 @@ static SettingsContainer &GetSettingsTree()
 			ai->Add(new SettingEntry("difficulty.money_cheat_in_multiplayer"));
 		}
 
+		if (_game_mode != GM_NORMAL) {
+			SettingsPage *scenario = main->Add(new SettingsPage(STR_CONFIG_SETTING_SCENARIO_EDITOR));
+			{
+			}
+		}
+
 		main->Init();
 	}
 	return *main;

src/settings_type.h

@@ -659,6 +659,10 @@ struct DebugSettings {
 	uint32 chicken_bits;                     ///< chicken bits
 };
 
+/** Scenario editor settings. */
+struct ScenarioSettings {
+};
+
 /** All settings together for the game. */
 struct GameSettings {
 	DifficultySettings   difficulty;         ///< settings related to the difficulty
@@ -687,6 +691,7 @@ struct ClientSettings {
 	SoundSettings        sound;              ///< sound effect settings
 	MusicSettings        music;              ///< settings related to music/sound
 	NewsSettings         news_display;       ///< news display settings.
+	ScenarioSettings     scenario;           ///< scenario editor settings
 };
 
 /** The current settings for this game. */