move AnimUtil into correct namespace

Dalamud/Interface/Animation/AnimUtil.cs

@@ -1,15 +1,31 @@
 using System.Numerics;
 
+namespace Dalamud.Interface.Animation
+{
     /// <summary>
     /// Class providing helper functions when facilitating animations.
     /// </summary>
     public static class AnimUtil
     {
+        /// <summary>
+        /// Lerp between two floats.
+        /// </summary>
+        /// <param name="firstFloat">The first float.</param>
+        /// <param name="secondFloat">The second float.</param>
+        /// <param name="by">The point to lerp to.</param>
+        /// <returns>The lerped value.</returns>
         public static float Lerp(float firstFloat, float secondFloat, float by)
         {
             return (firstFloat * (1 - @by)) + (secondFloat * by);
         }
 
+        /// <summary>
+        /// Lerp between two vectors.
+        /// </summary>
+        /// <param name="firstVector">The first vector.</param>
+        /// <param name="secondVector">The second float.</param>
+        /// <param name="by">The point to lerp to.</param>
+        /// <returns>The lerped vector.</returns>
         public static Vector2 Lerp(Vector2 firstVector, Vector2 secondVector, float by)
         {
             var retX = Lerp(firstVector.X, secondVector.X, by);
@@ -17,3 +33,4 @@ public static class AnimUtil
             return new Vector2(retX, retY);
         }
     }
+}