Adds comprehensive documentation for the `Vector4` class, outlining constructors, operators, and utility functions. Includes detailed notes on `clamp` functionality and potential ImGui integration caveats. Incorporates optional ImGui integration with explanations for correct usage and potential improvements.
Applies a dark theme to the documentation site using the `darkly` theme.
Provides a visually appealing dark mode option.
Configures colors to ensure readability and aesthetic consistency.
