Added possibility for user to hide from global score list

messages/server-message.schema.json

@@ -13,6 +13,10 @@
 			"type": "boolean",
 			"description": "Whether the connected user is an administrator"
 		},
+		"isHidden": {
+			"type": "boolean",
+			"description": "Whether the connected user is hidden from the score lists"
+		},
 		"activityTypes": {
 			"type": "array",
 			"description": "Available types of activities",
@@ -77,6 +81,10 @@
 						"type": "boolean",
 						"description": "Administrator info: whether the user listed is an administrator"
 					},
+					"isHidden": {
+						"type": "boolean",
+						"description": "Administrator info: whether the user is hidden from the global score table"
+					},
 					"activityTemplates": {
 						"type": "array",
 						"description": "Administrator info: the activity templates this user has defined",