color: add missing header for libc++ (#3)

src/color/Color.cpp:71:66: error: no member named 'min' in namespace 'std'; did you mean 'fmin'?
   71 |     const double vmax = std::max(std::max(r, g), b), vmin = std::min(std::min(r, g), b);
      |                                                             ~~~~~^~~
      |                                                                  fmin
/usr/include/c++/v1/cmath:447:9: note: 'fmin' declared here
  447 | using ::fmin _LIBCPP_USING_IF_EXISTS;
      |         ^
src/color/Color.cpp:71:75: error: no member named 'min' in namespace 'std'; did you mean 'fmin'?
   71 |     const double vmax = std::max(std::max(r, g), b), vmin = std::min(std::min(r, g), b);
      |                                                                      ~~~~~^~~
      |                                                                           fmin
/usr/include/c++/v1/cmath:447:9: note: 'fmin' declared here
  447 | using ::fmin _LIBCPP_USING_IF_EXISTS;
      |         ^

src/color/Color.cpp

@@ -1,4 +1,5 @@
 #include <hyprgraphics/color/Color.hpp>
+#include <algorithm>
 #include <cmath>
 
 using namespace Hyprgraphics;