Added aliases for Shavian script in language indexer.

data/LanguageNameIndexer.php

@@ -106,6 +106,8 @@ class LanguageNameIndexer extends Maintenance {
 			'cdo' => [ 'chinese min dong' ],
 			// Older name, see T375891
 			'dtp' => [ 'bundu-liwan, dusun' ],
+                        // English in Shavian script, often just called "Shavian", using Latin characters or in its own script.
+                        'en-shaw' => [ 'Shavian', '𐑖𐑱𐑝𐑾𐑯' ],
 			// Spanish, the transliteration of the autonym is often used for searching
 			'es' => [ 'castellano' ],
 			// Armenian, the transliteration of the autonym is often used for searching