Moved stuff around + start of graphics device support (dx12)

Juliet/include/Graphics/Graphics.h

@@ -3,7 +3,9 @@
 #include <Graphics/GraphicsConfig.h>
 
 // Graphics Interface
-namespace Juliet::Graphics
+namespace Juliet
 {
-    // Add functions to create windows, device, attach to the window etc...
-} // namespace Juliet::Graphics
+    struct GraphicsDevice;
+
+    extern GraphicsDevice* CreateGraphicsDevice(GraphicsConfig config);
+} // namespace Juliet

Juliet/include/Graphics/GraphicsConfig.h

@@ -2,13 +2,14 @@
 
 namespace Juliet
 {
-enum class RendererType
-{
-    DX12 = 0
-};
+    enum class RendererType : uint8
+    {
+        Any  = 0,
+        DX12 = 1,
+    };
 
-struct GraphicsConfig
-{
-    RendererType Renderer = RendererType::DX12;
-};
-}
+    struct GraphicsConfig
+    {
+        RendererType PreferredRenderer = RendererType::DX12;
+    };
+} // namespace Juliet