A 17-year-old from Ely, Cardiff has won a gold medal in the final of a national skills competition.   Backed by the Welsh Government through the European Social Fund, Skills Competition Wales is a series of events held in colleges across the country, designed to celebrate vocational skills and create highly skilled, talented employees for the Welsh workforce.   Bethan Greenslade, who is currently studying a Level 3 Professional Bakery course at Cardiff and Vale College, competed against five other…