Link to mastodon profile

Author: tsterbak

README.md

@@ -6,6 +6,7 @@
   [![Release](https://img.shields.io/github/v/release/openandroidinstaller-dev/openandroidinstaller?include_prereleases&style=flat-square)](https://github.com/openandroidinstaller-dev/openandroidinstaller/releases)
   [![Downloads](https://img.shields.io/github/downloads/openandroidinstaller-dev/openandroidinstaller/total?style=flat-square)](https://github.com/openandroidinstaller-dev/openandroidinstaller/releases)
   [![Twitter](https://img.shields.io/twitter/follow/oainstaller?style=social)](https://twitter.com/OAInstaller)
+  [![Mastodon](https://img.shields.io/mastodon/follow/109341220262803943?domain=https%3A%2F%2Ffosstodon.org&style=social)](https://fosstodon.org/@openandroidinstaller)
   <p>Makes installing alternative Android distributions nice and easy.</p>
   <a href="https://github.com/openandroidinstaller-dev/openandroidinstaller">
     <img src="openandroidinstaller/assets/logo-192x192.png" alt="OpenAndroidInstaller" height="80">