Update editor

Ghost.Editor.Core/EditorInjectionAttribute.cs

@@ -0,0 +1,28 @@
+namespace Ghost.Editor.Core;
+
+[AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface, AllowMultiple = false, Inherited = false)]
+public class EditorInjectionAttribute : Attribute
+{
+    public enum ServiceLifetime
+    {
+        Singleton,
+        Transient,
+        Scoped
+    }
+
+    public ServiceLifetime Lifetime
+    {
+        get;
+    }
+
+    public Type? ImplementationType
+    {
+        get;
+    }
+
+    public EditorInjectionAttribute(ServiceLifetime lifetime, Type? implementationType = null)
+    {
+        Lifetime = lifetime;
+        ImplementationType = implementationType;
+    }
+}