ui: style search view

Added stylesheet for search view.
Added utility function that loads all font files inside a folder.
Added icons and font files.

src/app/main.cpp

@@ -5,6 +5,7 @@
 #include "Application.h"
 #include "includes.h"
 #include "qt/QtGuiFactory.h"
+#include "qt/utility/utilityQt.h"
 
 int main(int argc, char *argv[])
 {
@@ -14,5 +15,7 @@ int main(int argc, char *argv[])
 	std::shared_ptr<Application> app = Application::create(&guiFactory);
 	app->loadProject("data/ProjectSettings.xml");
 
+	utility::loadFontsFromDirectory("data/fonts", ".otf");
+
 	return qtApp.exec();
 }