Custom themes

Added toggles for the "Custom Themes" configuration. Colors, icons, sounds, and turn signal animations are all individually toggleable.

selfdrive/ui/qt/sidebar.h

@@ -65,4 +65,10 @@ private:
   // FrogPilot variables
   Params params;
   UIScene &scene;
+
+  std::unordered_map<int, std::pair<QString, std::vector<QColor>>> themeConfiguration;
+  std::unordered_map<int, QPixmap> flag_imgs;
+  std::unordered_map<int, QPixmap> home_imgs;
+  std::unordered_map<int, QPixmap> settings_imgs;
+  std::vector<QColor> currentColors;
 };