Added heat exchanger building

Assets/Scripts/Game/Buildings/HeatExchanger.cs

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+using Fruitomation.Global;
+using UnityEngine;
+
+namespace Fruitomation.Game
+{
+    public class HeatExchanger : Building
+    {
+        [Header("Heat Exchanger Specific Items")]
+        [SerializeField] private Animator Animator;
+
+        private void Update()
+        {
+            if (GameStateController.Is(GameState.Simulation))
+            {
+                if (Animator.speed == 0)
+                {
+                    Animator.Play(0, 0, 0f); // Play from beginning
+                    Animator.speed = 0.2f; // Playing
+                }
+            }
+            
+            else
+            {
+                if (Animator.speed != 0)
+                {
+                    Animator.Play(0, 0, 0f); // Jump back to default frame
+                    Animator.speed = 0; // Paused
+                }
+            }
+        }
+    }
+}

Assets/Scripts/Game/Buildings/HeatExchanger.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 2a40d30ecee1430c9a21ab42f4290132
+timeCreated: 1776951500