Kristaps Porzingis. Frank Ntilikina. Kevin Knox. For far too long, the NBA Draft was the most important night of the year for the Knicks, and the names above — and so many others — represented hope for a long-suffering fan base, if only for a little while. But now Knicks fans have something much better than hope. They have a championship to celebrate — and celebrate, they have, as illuminated by the upwards of two million people who flooded Lowe…