Add an empty line after REFERENCE FROM

[ronaldtse]

From Keith Hunten at WG 12 meeting in Seoul 2024-05-16.

Method:

expressir/lib/expressir/express/formatter.rb

Lines 425 to 448 in 90f6dfe

	def format_declarations_interface(node)
	[
	case node.kind
	when Model::Declarations::Interface::USE then 'USE'
	when Model::Declarations::Interface::REFERENCE then 'REFERENCE'
	end,
	' ',
	'FROM',
	' ',
	format(node.schema),
	*if node.items.length > 0
	item_indent = INDENT_CHAR * '('.length
	[
	"\n",
	indent([
	'(',
	node.items.map{|x| format(x)}.join(",\n#{item_indent}"),
	')'
	].join(''))
	].join('')
	end,
	';',
	].join('')
	end