add instagram link

index.md

@@ -100,6 +100,7 @@ href="https://synshop.org">synshop.org</a> is the official SYN Shop website.
 
 * [SYN Shop Ko-fi](https://ko-fi.com/synshop) (donations)
 * [SYN Shop Twitter (@synshop)](https://twitter.com/synshop)
+* [SYN Shop Instagram (@synshoplv)](https://www.instagram.com/synshoplv)
 * [SYN Shop GitHub (@synshop)](https://github.com/synshop)
     * RTFM Site [sources](https://github.com/synshop/rtfm) (PRs welcome)
 * [SYN Shop Meetup Page](https://www.meetup.com/synshop)