Add iOS download badge

README.md

@@ -7,6 +7,7 @@
 ## Download
 
 <a href='https://play.google.com/store/apps/details?id=dev.sasikanth.rss.reader&pcampaignid=pcampaignidMKT-Other-global-all-co-prtnr-py-PartBadge-Mar2515-1'><img alt='Get it on Google Play' src='https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png' width="200px"/></a>
+<a href="https://apps.apple.com/us/app/twine-rss-reader/id6465694958?itsct=apps_box_badge&amp;itscg=30200" style="display: inline-block; overflow: hidden; border-radius: 13px;"><img src="https://tools.applemediaservices.com/api/badges/download-on-the-app-store/white/en-us;releaseDate=1694390400" alt="Download on the App Store" width="200px"></a>
 
 ### Requirements