By Contributing Columnist Donavan Hall In one of my (yet to be published) novels I created a Belgian-style restaurant and brewpub in the Long Island town of Port Jefferson.  This little beer fantasy of mine is not so far from reality.  For those of us on the East End who are willing to drive into Nassau County, we can get our taste of Belgium at Waterzooi in Garden City (850 Franklin Avenue). Denise and I decided to take in the Sunday Brunch at Waterzooi and we were pleased to find ample parking in the public lot right out front.  The…