feat: simplified addregeneration method (#610)

Update Player.cs

Author: MS-crew

EXILED/Exiled.API/Features/Player.cs

@@ -3514,6 +3514,13 @@ public void AddAhp(float amount, float limit = 75f, float decay = 1.2f, float ef
                 .ServerAddProcess(amount, limit, decay, efficacy, sustain, persistant);
         }
 
+        /// <summary>
+        /// Adds a new <see cref="RegenerationProcess"/> to the player.
+        /// </summary>
+        /// <param name="rate">Health points regenerated per second.</param>
+        /// <param name="duration">Total duration of the regeneration (in seconds).</param>
+        public void AddRegeneration(float rate, float duration) => AddRegeneration(0, rate, duration, 1f, 1f);
+
         /// <summary>
         /// Adds a new <see cref="RegenerationProcess"/> to the player.
         /// </summary>