Out with MagicOnion, in with LiteNetLib

Removed MagicOnion
Added LiteNetLib
Created client and server abstractions
Fixed serialization bugs

Assets/Scripts/ServerShared/ActionCollection.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+public abstract class NotAnActionCollection{}
+
+public class ActionCollection<T> : NotAnActionCollection where T : Message
+{
+    private List<Action<T>> _actions = new List<Action<T>>();
+
+    public void Add(Action<T> action)
+    {
+        _actions.Add(action);
+    }
+
+    public void Invoke(T message)
+    {
+        foreach (var action in _actions)
+        {
+            action(message);
+        }
+    }
+
+    public void Clear()
+    {
+        _actions.Clear();
+    }
+}