Use PCGRandom instead of System.Random, documentation

PkmnLib.Static/Utils/Random.cs

@@ -1,3 +1,5 @@
+using Pcg;
+
 namespace PkmnLib.Static.Utils;
 
 /// <summary>
@@ -49,30 +51,30 @@ public interface IRandom
 /// <inheritdoc />
 public class RandomImpl : IRandom
 {
-    private readonly Random _random;
+    private readonly PcgRandom _random;
 
     /// <summary>
-    /// Creates a new instance that uses the given <see cref="Random"/> instance as its source of randomness.
+    /// Creates a new instance that uses the given <see cref="PcgRandom"/> instance as its source of randomness.
     /// </summary>
-    public RandomImpl(Random random)
+    public RandomImpl(PcgRandom random)
     {
         _random = random;
     }
 
     /// <summary>
-    /// Creates a new instance that uses the given seed to create a new <see cref="Random"/> instance.
+    /// Creates a new instance that uses the given seed to create a new <see cref="PcgRandom"/> instance.
     /// </summary>
     public RandomImpl(int seed)
     {
-        _random = new Random(seed);
+        _random = new PcgRandom(seed);
     }
 
     /// <summary>
-    /// Creates a new instance that uses a new <see cref="Random"/> instance.
+    /// Creates a new instance that uses a new <see cref="PcgRandom"/> instance.
     /// </summary>
     public RandomImpl()
     {
-        _random = new Random();
+        _random = new PcgRandom();
     }
 
     /// <inheritdoc />