MIAMI — Amid a flurry of financial scandals and an ongoing federal lawsuit that threatens to overturn the city’s voting map, Miami Mayor Francis Suarez on Tuesday announced a proposal for an independent auditor to ensure elected officials are free of conflicts, re-upped the possibility of increasing the mayor’s powers and suggested the city could eliminate voting districts altogether. “No government is perfect,” the mayor said during his annual State of the City address Tuesday morning. “But our record is strong and historic. And whenever we can improve and innovate, we must and we will.” Suar…