create NResUI

NResUI/Abstractions/IExitReceiver.cs

@@ -0,0 +1,7 @@
+namespace NResUI.Abstractions
+{
+    public interface IExitReceiver
+    {
+        void OnExit();
+    }
+}

NResUI/Abstractions/IImGuiPanel.cs

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+namespace NResUI.Abstractions
+{
+    public interface IImGuiPanel
+    {
+        void OnImGuiRender();
+    }
+}

NResUI/Abstractions/IKeyPressReceiver.cs

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+using Silk.NET.Input;
+
+namespace NResUI.Abstractions
+{
+    public interface IKeyPressReceiver
+    {
+        void OnKeyPressed(Key key);
+    }
+    public interface IKeyReleaseReceiver
+    {
+        void OnKeyReleased(Key key);
+    }
+    public interface IKeyDownReceiver
+    {
+        void OnKeyDown(Key key);
+    }
+}

NResUI/Abstractions/IService.cs

@@ -0,0 +1,6 @@
+namespace NResUI.Abstractions
+{
+    public interface IService
+    {
+    }
+}

NResUI/Abstractions/IUpdateReceiver.cs

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+namespace NResUI.Abstractions
+{
+    public interface IUpdateReceiver
+    {
+        /// <summary>
+        /// Called before every UI render 
+        /// </summary>
+        void OnUpdate(float delta);
+    }
+}