feat(graphics): improve rendering pipeline and docs

- Refactor D3D12 backend and RenderGraph module
- Update graphics RHI and core rendering components
- Add Random.hlsl shader include
- Regenerate API documentation and update user guides

src/Test/Ghost.Entities.Test/QueryBenchmark.cs

@@ -61,6 +61,8 @@ public class QueryBenchmark
         }
     }
 
+    // Results: 620 us,  98.5% cache hits (14731 misses), 13260812 instructions retired, 4x faster than QueryGameObjects
+
     [Benchmark(Baseline = true)]
     public void QueryEntities()
     {