After being proposed in various forms for 29 years, the idea of a Holocaust memorial in the casino capital of the East Coast is about to come to fruition. On the ocean side of the famed Atlantic City boardwalk, between New York and Kentucky Avenues, sits a 60-by-40 foot blue and white pavilion.It is a shaded alcove that serves as a respite for the sun or slots weary, those wishing to drown their sorrows in a rainbow-sprinkled ice cream cone or light up a cigarette or two. To the south, seagulls fly over grass-covered sand dunes. To the north, garish signs advertise Lucky Lou’s Tattoos. A few homeless people loiter nearby. But the most jarring aspect of the scene may be the plain white banner hanging from the pavilion’s edge, which reads, “Future site of the Atlantic City Holocaust Memorial.”