Updated schema

config/schemas/mod.json

@@ -84,6 +84,11 @@
 			"description": "Home page of mod or link to forum thread"
 		},
 
+		"language" : {
+			"type":"string",
+			"description": "Base language of the mod, before applying localizations. By default vcmi assumes English",
+			"enum" : [ "english", "german", "polish", "russian", "ukrainian" ],
+		},
 		"depends": {
 			"type":"array",
 			"description": "List of mods that are required to run this one",