[added] hospitality domain (#11020)

* [added] hospitality domain

* [tests] wip

* [tests] for restaurant

* [fix] tests for new naming

* [docs] added restaurant docs

* [docs] added restaurant docs

erpnext/domains/distribution.py

@@ -0,0 +1,18 @@
+data = {
+	'desktop_icons': [
+		'Item',
+		'Customer',
+		'Supplier',
+		'Lead',
+		'Sales Order',
+		'Purchase Order',
+		'Task',
+		'Sales Invoice',
+		'CRM',
+		'ToDo'
+	],
+	'set_value': [
+		['Stock Settings', None, 'show_barcode_field', 1]
+	],
+	'default_portal_role': 'Customer'
+}