Add quick interactions locally

Quick Interactions/CSharp/Shared/DependencyInjection/Attributes.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Reflection;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.Xna.Framework;
+using System.Diagnostics;
+using Barotrauma;
+
+namespace QIDependencyInjection
+{
+  /// <summary>
+  /// Properties marked with [Dependency] will be injected,  
+  /// and their own properties will be injected
+  /// </summary>
+  public class DependencyAttribute : System.Attribute { }
+  /// <summary>
+  /// Properties marked with [EntryPoint] will be created if == null
+  /// and then their own properties will be injected
+  /// </summary>
+  public class EntryPointAttribute : System.Attribute { }
+  /// <summary>
+  /// Properties marked with [Singleton] will be created, added to Singletons and injected
+  /// </summary>
+  public class SingletonAttribute : System.Attribute { }
+  /// <summary>
+  /// it's a stupid optimization attempt
+  /// Classes marked with [HasStaticDependencies] will be scanned in InjectStaticProperties(Assembly assembly, bool onlyIfHasStaticDependencies = true)
+  /// </summary>
+  public class HasStaticDependenciesAttribute : System.Attribute { }
+  /// <summary>
+  /// Classes marked with [DontInjectStatic] won't be injected by InjectStaticProperties(Assembly assembly, bool onlyIfHasStaticDependencies = true)  
+  /// For test classes
+  /// </summary>
+  public class DontInjectStaticAttribute : System.Attribute { }
+}