The court case between former celebrity couple, Johnny Depp and Amber Heard, has kicked off and so many damning accusations are being made.    The Hollywood actor and producer is suing British newspaper The Sun and its executive editor, Dan Wootton, over an article which alleged he had been abusive to his former wife, Amber Heard.    He is also suing Amber for $50 million for defamation over an op-ed she wrote in the Washington Post in which she called …