It's like the never-ending restaurant launch, complete with salsa jars. The next phase of La Esquina in Williamsburg is upon us: The takeout-oriented taqueria and garden open today. Self-service is from noon to midnight; full outdoor service (where the entire La Esquina menu is offered) is 6 p.m. to midnight. Look for beers from Brooklyn Brewery, Gotham wines on tap, and groovy raspadas (traditional shaved Mexican ices). On another La Esquina note, Grub learns that brunch service, inside and outside, will kick off on September 12.