T14445: Add $wgMirageTheme to ManageWiki (#6158)

https://issue-tracker.miraheze.org/T14445

Author: SomeMWDev

LocalSettings.php

@@ -4234,6 +4234,11 @@
 		],
 	],
 
+	// Mirage
+	'wgMirageTheme' => [
+		'default' => false,
+	],
+
 	// MirahezeMagic
 	'wgMirahezeMagicAccessIdsMap' => [
 		'default' => [

ManageWikiSettings.php

@@ -4593,6 +4593,20 @@
 		'help' => 'Allow creating sidebars that will be shown on pages in specific categories.',
 		'requires' => [],
 	],
+	'wgMirageTheme' => [
+		'name' => 'Mirage Theme',
+		'from' => 'mirage',
+		'type' => 'list',
+		'options' => [
+			'Use Theme Extension' => false,
+			'Light Mode (Neutral)' => 'Neutral',
+			'Dark Mode (DarkMirage)' => 'DarkMirage',
+		],
+		'overridedefault' => false,
+		'section' => 'styling',
+		'help' => 'The theme to use for the Mirage skin.',
+		'requires' => [],
+	],
 
 	// Wikibase
 	'wgMFUseWikibase' => [