docs(army-of-one): add Control Rig as a possible technique to achieve animation

subjects/gaming/army-of-one/README.md

@@ -21,7 +21,7 @@ Starting from an empty project, after creating a level with a floor (nothing els
 
 - create an animation blueprint file to animate the character so she can be animated while running, jumping, attacking, etc...
 
-- implement the Aim Offset, so that when the player moves the mouse, the head of Countess follow the direction we’re looking at, in a 180-degree angle.
+- implement the Aim Offset or a Control Rig, so that when the player moves the mouse, the head of Countess follow the direction we’re looking at, in a 180-degree angle.
 
 - separate the upper and lower body part, so that the character is able to walk and attack at the same time without any animation problems.
 

subjects/gaming/army-of-one/audit/README.md

@@ -12,7 +12,7 @@
 
 ###### Does the Countess head follow the mouse orientation?
 
-###### Is an Aim Offset being used to move the Countess head according to the mouse movement?
+###### Is an Aim Offset or Control Rig being used to move the Countess head according to the mouse movement?
 
 ###### Can the Countess character attack using the blades when clicking on the left mouse button?