Add Effekseer 1.80.x CPU particle renderer integration with Axmol RHI

[halx99]

Core Changelist

Added

• Integrated Effekseer 1.80.x rendering backend with Axmol RHI.
• Added CPU particle rendering support through Axmol render commands.
• Added basic built-in Effekseer shaders:
  • Unlit rendering
  • Lit rendering
  • Distortion rendering
• Added distortion background copy support.
• Added descriptor and sampler binding integration required by
  Effekseer rendering.

Rendering Improvements

• Implemented Axmol-native texture, render state, and command handling
  for Effekseer.
• Added support for Effekseer particle rendering through Axmol
  graphics abstractions instead of legacy GL-only paths.
• Improved cross-RHI compatibility across:
  • OpenGL
  • D3D11
  • D3D12
  • Vulkan
  • Metal

Validation

• Added/updated Effekseer test coverage with sample effects.
• Verified rendering results across supported RHI backends.
• Validated distortion effects and built-in particle shaders with
  Effekseer samples.

Notes

This PR focuses on bringing Effekseer basic rendering functionality into
Axmol's modern RHI architecture while keeping backend implementations
consistent.

Issue ticket number and link

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  • I have checked readme and add important infos to this PR.
  • I have added/adapted some tests too.

For core/new feature PR

• I have checked readme and add important infos to this PR.
• I have added thorough tests.

Axmol 3.x ------------------------------------------------------------

For each 3.x PR

• Check the '#include "axmol.h"' and replace it with the needed headers.

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Initial work:

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