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

doc/api/Ghost.Entities.ManagedEntityRef.yml

@@ -17,7 +17,7 @@ items:
     remote:
       path: src/Runtime/Ghost.Entities/ManagedEntity.cs
       branch: develop
-      repo: https://git.personalnas.com/Misaki/GhostEngine
+      repo: https://git.personalnas.com/Misaki/GhostEngine.git
     id: ManagedEntityRef
     path: ../src/Runtime/Ghost.Entities/ManagedEntity.cs
     startLine: 10
@@ -51,7 +51,7 @@ items:
     remote:
       path: src/Runtime/Ghost.Entities/ManagedEntity.cs
       branch: develop
-      repo: https://git.personalnas.com/Misaki/GhostEngine
+      repo: https://git.personalnas.com/Misaki/GhostEngine.git
     id: entity
     path: ../src/Runtime/Ghost.Entities/ManagedEntity.cs
     startLine: 12