ADD VALUE TO YOUR HOME Whether you're building or remodeling, it's the extras that can add considerably to your enjoyment as well as the resale value of your home.  According to a survey of consumer preferences by the National Association of Home Builders, here are the amenities that homeowners want most:                       Double sink in the kitchen     Walk-in pantry  Island work area in the kitchen Built-in microwave oven Home office Soundproofing Walk-in his and hers closets Linen closet in the bathroom Separate shower enclosure Private toilet compartment Dressing/makeup area Laundry room near kitchen or bedroom Exterior lighting Deck/patio at the rear of the house Built-in sprinkler system Front porch