Update public/index.html, public/previewImages/back-icon.png, public/previewImages/delete-icon.png, public/previewImages/scale-icon.png, public/previewImages/rotate-icon.png

Update public/previewImages/options-icon.png, public/previewImages/edit-icon.png, public/previewImages/add-icon.png, public/index.html

Update public/index.html, public/previewImages/placeholder.png, public/previewImages/exit.png, public/previewImages/robot.png