Add missing headers for windows

src/identiconstyle.cpp

 #include "identiconstyle.h"
 
+#include <stdexcept>
+
 IdenticonStyle::IdenticonStyle() {}
 
 IdenticonStyle::IdenticonStyle(IdenticonStyle &other)

src/rendering/colortheme.cpp

 #include "colortheme.h"
 
+#include <stdexcept>
+
 namespace rendering {
 
 ColorTheme::ColorTheme(qreal hue, IdenticonStyle &style)

src/rendering/colorutils.cpp

 #include "colorutils.h"
 
+#include <stdexcept>
+
 namespace rendering {
 
 QList<qreal> ColorUtils::lightnessCompensation_ = {0.55, 0.5, 0.5, 0.46, 0.6, 0.55, 0.55};