implement service resolver for script plugins

Application/Misc/ScriptPluginServiceResolver.cs

@@ -0,0 +1,31 @@
+using SharedLibraryCore.Interfaces;
+using System;
+using System.Linq;
+
+namespace IW4MAdmin.Application.Misc
+{
+    /// <summary>
+    /// implementation of IScriptPluginServiceResolver
+    /// </summary>
+    public class ScriptPluginServiceResolver : IScriptPluginServiceResolver
+    {
+        private readonly IServiceProvider _serviceProvider;
+
+        public ScriptPluginServiceResolver(IServiceProvider serviceProvider)
+        {
+            _serviceProvider = serviceProvider;
+        }
+
+        public object ResolveService(string serviceName)
+        {
+            var serviceType = typeof(IScriptPluginServiceResolver).Assembly.GetTypes().FirstOrDefault(_type => _type.Name == serviceName);
+
+            if (serviceType == null)
+            {
+                throw new InvalidOperationException($"No service type '{serviceName}' defined in IW4MAdmin assembly");
+            }
+
+            return _serviceProvider.GetService(serviceType);
+        }
+    }
+}