Miami rapper Flo Rida is reportedly getting slapped with a $7,000 fine for lying to a judge in relation to a current lawsuit involving a former employee. According to reports, the music hitmaker lied when asked why he did not address a legal matter on time. Flo Rida is learning the hard way -- it's never a good idea to lie in court ... and now a judge is ordering him to cough up $7k for h…