ISTANBUL  A UK-based Syrian rights group said Monday that it has compiled a list of around 16,200 members of the ousted Assad regime accused of committing crimes against civilians.    "The ousted Assad regime committed serious violations that affected millions of Syrians," the Syrian Network for Human Rights (SNHR) said in a statement.   The rights group highlighted its efforts to establish a comprehensive database of atrocities committed under the rule of Bashar Assad, who was overthrown by