Implemented factory pattern for server abstraction creation. Implemented raw fs and docker provisioner. Implemented docker event service with observer pattern

MoonlightServers.Daemon/Helpers/CompositeServiceProvider.cs

@@ -0,0 +1,24 @@
+namespace MoonlightServers.Daemon.Helpers;
+
+public class CompositeServiceProvider : IServiceProvider
+{
+    private readonly List<IServiceProvider> ServiceProviders;
+
+    public CompositeServiceProvider(params IServiceProvider[] serviceProviders)
+    {
+        ServiceProviders = new List<IServiceProvider>(serviceProviders);
+    }
+
+    public object? GetService(Type serviceType)
+    {
+        foreach (var provider in ServiceProviders)
+        {
+            var service = provider.GetService(serviceType);
+            
+            if (service != null)
+                return service;
+        }
+
+        return null;
+    }
+}