When Amanda Elliott, the executive director of the Richmond Main Street Initiative, describes the menu for the upcoming Spirit and Soul Festival, she scoots to the edge of her seat and flashes a smile. “There’s greens,” she says, “smoked-baked chicken, red beans and rice, and cornbread.” The caterer calls it “healthy soul food,” Elliott says, and it’s a fitting menu for a fundraiser dedicated to the health and soul of downtown Richmond. On Saturday, Sept. 17, the third annual Spirit…