Moves linear algebra headers to a new subdirectory to improve project structure.
Updates includes to reflect the directory change.
Adds vcpkg to the tracked repositories.
Adds formatters for `omath::Angle` and `omath::Color` to allow for easy formatting using `std::format`.
This allows users to easily output Angle and Color values in a human-readable format.
Adds a compiler definition for MSVC to prevent redefinition of min/max macros by the Windows SDK.
Removes unnecessary undef directives in color.hpp as the NOMINMAX definition now handles the issue.
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