refactor(bgfx_gui_service): Integrate BgfxShaderCompiler for shader creation and validation
test(bgfx_gui_service): Enhance tests to validate shader key presence and uniform initialization
- Deleted the shader_variants.lua script, which contained functions for building shader parameter overrides and shader variants.
- Updated ShaderScriptService to remove Lua integration for shader path loading, now relying solely on MaterialX configuration.
- Simplified logging and error handling in shader path loading, ensuring clarity in the absence of shader variants.
- Added support for triangle mesh rigid bodies in the physics bridge service.
- Implemented methods to create static meshes and retrieve linear velocities in the script engine service.
- Introduced new Lua bindings for physics operations, including `physics_create_static_mesh` and `physics_get_linear_velocity`.
- Improved shader creation in the graphics backend with auto-bind uniform options and error handling.
- Refactored shader generation to consolidate output and input declarations into structured blocks.
- Enhanced GUI service with better resource logging and error handling.
- Added utility functions for transforming points using matrices.
- Added SetGravity method to adjust the gravity in the physics world.
- Introduced AddSphereRigidBody method for creating sphere rigid bodies.
- Implemented RemoveRigidBody method to delete existing rigid bodies.
- Added SetRigidBodyTransform method to update the position and rotation of rigid bodies.
- Included ApplyForce and ApplyImpulse methods for applying forces and impulses to rigid bodies.
- Added SetLinearVelocity method to set the linear velocity of rigid bodies.
- Enhanced StepSimulation method to accept a maxSubSteps parameter.
- Implemented GetBodyCount method to retrieve the number of rigid bodies in the world.
- Added Clear method to remove all rigid bodies from the physics world.
- Updated the script engine service to bind new physics methods to Lua.
- Enhanced material configuration handling in shader script service.
- Introduced MaterialXMaterialConfig structure for better material management.
- Added texture binding support in ShaderPaths structure.
- Included stb_image implementation for image loading support.
- Introduced IPlatformService interface with methods for retrieving platform information, current video driver, and available video/render drivers.
- Implemented PlatformService to gather and log detailed system information, including CPU capabilities, environment variables, and SDL video driver support.
- Updated BgfxGraphicsBackend to utilize IPlatformService for platform-specific data.
- Enhanced SdlWindowService to log system information upon window creation.
- Added utility functions for string formatting and feature value retrieval.
- Deleted PyMetalTextureHandler.mm, PyModule.mm, PyMslProgram.mm, PyMslRenderer.mm, and PyTextureBaker.mm files related to Metal rendering.
- Removed CMakeLists.txt and source files for OSL rendering, including PyModule.cpp and PyOslRenderer.cpp.
- Updated README.md files to reflect the removal of Python support for Metal and OSL rendering.
