FR BB tree and some premiums

• This is a standard BB tank build, adapted for FR BBs, that provides great survivability for maximum game impact.
• Honore brothers are highly recommended due to their improved skills.
• If you don’t have the Engine boost mod or if it’s not applicable, use DCSM1.
• Applies to Turenne, Courbet, Bretagne, Normandie, Dunkerque, Lyon, Strasbourg, Richelieu, Flandre, Gascogne, Alsace, Jean Bart, Wujing, République, Bourgogne and Patrie.