- Added support for FreeType font rendering in GuiRenderer, including glyph loading and text rendering capabilities.
- Introduced GuiFontConfig structure to manage font settings through configuration.
- Updated JsonConfigService to parse and provide GUI font settings from JSON configuration.
- Implemented MaterialX shader generation capabilities with a new MaterialXShaderGenerator class.
- Enhanced ShaderScriptService to utilize MaterialX for shader generation based on configuration.
- Added NullGuiService as a placeholder implementation for GUI service.
- Extended IConfigService interface to include methods for retrieving graphics backend, MaterialX, and GUI font configurations.
- Updated RuntimeConfig structure to include graphics backend and MaterialX configurations.
- Added tests to ensure proper integration of new configuration settings and shader generation functionality.
