Spirit Airlines was the budget-friendly carrier America loved to hate. But now that it’s out of business, a viral crowdfunding campaign is attempting to resurrect the bankrupt airline. Once Hunter Peterson heard Spirit would close on May 2 — after attempts to merge with other airlines or get a lifeline from the federal government — the 22-year-old voice actor and content creator posted on social media that day with an idea to revive the airline. If a fifth of Americans each pitched in $45, (the