Started adding multiplayer

Assets/Scripts/Extensions/MonoBehaviourExtensions.cs

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+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);
+            }
+        }
+    }
+}

Assets/Scripts/Extensions/MonoBehaviourExtensions.cs.meta

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+fileFormatVersion: 2
+guid: 4b9109919a0b4b969424d31ac875d6bf
+timeCreated: 1779211792

Assets/Scripts/Extensions/TaskExtensions.cs

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+using System.Threading.Tasks;
+using System.Collections;
+
+namespace PashaBibko.PenguinChase.Extensions
+{
+    public sealed class Result<T>
+    {
+        public T Value { get; set; }
+    }
+
+    public static class TaskExtensions
+    {
+        public static IEnumerator Await<T>(this Task<T> task, Result<T> result)
+            where T : class
+        {
+            // Waits until the task is completed
+            while (!task.IsCompleted)
+            {
+                yield return null;
+            }
+
+            // Has to return the value like this because of the wonders of C#
+            result.Value = task.Result;
+        }
+    }
+}

Assets/Scripts/Extensions/TaskExtensions.cs.meta

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+fileFormatVersion: 2
+guid: cf8f135562fd4650924729e686a5a815
+timeCreated: 1779206087

Assets/Scripts/Extensions/UnityTransportExtensions.cs

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+using Unity.Netcode.Transports.UTP;
+using Unity.Services.Relay.Models;
+
+namespace PashaBibko.PenguinChase.Extensions
+{
+    public static class UnityTransportExtensions
+    {
+        public static void SetHostRelayData(this UnityTransport transport, Allocation allocation)
+        {
+            transport.SetHostRelayData
+            (
+                allocation.RelayServer.IpV4,
+                (ushort)allocation.RelayServer.Port,
+                allocation.AllocationIdBytes,
+                allocation.Key,
+                allocation.ConnectionData
+            );
+        }
+
+        public static void SetRelayServerData(this UnityTransport transport, JoinAllocation allocation)
+        {
+            transport.SetRelayServerData
+            (
+                allocation.RelayServer.IpV4,
+                (ushort)allocation.RelayServer.Port,
+                allocation.AllocationIdBytes,
+                allocation.Key,
+                allocation.ConnectionData,
+                allocation.HostConnectionData
+            );
+        }
+    }
+}

Assets/Scripts/Extensions/UnityTransportExtensions.cs.meta

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+fileFormatVersion: 2
+guid: c69f8839a8834857b6dc5df1627045df
+timeCreated: 1779207616