A young boy plays Minecraft on a computer screen. | Courtesy photo IDAHO FALLS — Waving spotlights flash on stage. Fingers dash across buttons and keys. Young eyes absorb every frame to make the next split-second decision. The players on the XP League Idaho Falls esports team, coached by Erik Johnson, are good at gaming. So good, in fact, that they’ve earned a chance to compete in the national Esports Series Championship in Florida later this mo…