By Andrew Gamble New Indianapolis Colts quarterback Joe Flacco has vowed to lend his experience to younger teammate Anthony Richardson and help him become an NFL superstar. Richardson was chosen by the Colts with the No. 4 pick in the 2023 NFL Draft. Though his impressive rookie campaign was cut short by a shoulder injury, he showed enough promise to excite Colts fans, who believe they’ve finally found a fitting replacement for Andrew Luck. Looking ahead to 2024, Richardson can rely on Flacco’s guidance as his backup. Signing a one-year deal with the Colts this month, Flacco plans to use his 1…