The giant geometric pattern carved into a hillside at Point Reyes Vineyards was indeed designed by a near-supernatural force: Chris Hulls. Last week, the mysterious agro-glyph appeared in the field, prompting speculation about alien visitors. But the connected loops and rectangles are just part of a planting project, according to the tech entrepreneur and founder of the Point Reyes Good Luck Fund who purchased the winery on Highway 1 with a small group of investor…