Charge & S Rank

## Charge
## 50% HP chance to add another round of combat
## No need to check for counter attacks
## No Range restriction
## Use weapon uses (will need to check this)

## 26min
## x2 S rank
## Hit, Crit, Dmg
## Game_Unit_Skill.cs
        internal void dmg_skill(
            ref int skill_dmg, ref int weapon_dmg, ref int actor_dmg, ref int support_dmg,
            ref int target_def, Data_Weapon weapon,
            Game_Unit target, Data_Weapon target_weapon, WeaponTriangle tri, bool magic,
            int? distance, float effectiveness = 1)
        {
		.
		.
		.
            // S Rank Buff
            if (actor != null && actor.weapon != null)
            {
                actor_dmg += actor.s_rank_bonus(weapon); // this is applying the S rank bonus to attack
                if (actor.has_skill("MERCANTILE"))
                    actor_dmg += actor.s_rank_bonus(weapon);
            }
		}

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