Narrowing modules for divided racking for E16/E18

Narrowing modules for divided racking for the machine gauges E16/E18 newly added.

Technique
	Narrowing
		Structure single jersey
			Stitch ^ divided racking above E16/18
			Stitch ^ divided racking underneath E16/18
			Stitch v divided racking above E16/18
			Stitch v divided racking underneath E16/18