Started adding multiplayer

Assets/Scripts/Extensions/MonoBehaviourExtensions.cs

@@ -0,0 +1,15 @@
+using UnityEngine;
+
+namespace PashaBibko.PenguinChase.Extensions
+{
+    public static class MonoBehaviourExtensions
+    {
+        public static void DestroyAllChildren(this MonoBehaviour go)
+        {
+            foreach (Transform child in go.transform)
+            {
+                Object.Destroy(child.gameObject);
+            }
+        }
+    }
+}