Add Design Patterns

DecoratorLib/Component.cs

@@ -0,0 +1,9 @@
+namespace DecoratorLib;
+
+public class Component : IComponent
+{
+    public void Log()
+    {
+        Console.WriteLine("Component Log");
+    }
+}

DecoratorLib/DecoratorLib.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>

DecoratorLib/IComponent.cs

@@ -0,0 +1,6 @@
+namespace DecoratorLib;
+
+public interface IComponent
+{
+    void Log();
+}