When you visit certain websites you may notice a new icon appear in the address bar of the site. I never really wanted one. But by default, when you add a site to the homepage of your iPhone (click on the plus sign in Safari and then click on Add to Home Screen), it will use that icon. Why do I care? I mean it’s not like anyone is likely to actually add this site to their home screen. But juuuuuust in case, I wanted it to have my spiffy new icon. You know, the one I spent at least 15 minutes building. Otherwise, when you add a page to…