Fix link for Instagram.

content/_index.md

@@ -19,5 +19,5 @@ Specific details to come, please check back later.
 Socialize with nomadic plant eaters below:
 
 <a href="https://www.facebook.com/share/g/16oNZL3cZt/"><img src="/facebook.svg" alt="facebook.com/share/g/16oNZL3cZt" title="facebook"></a>
-<a href="https://www.instagram.com/vegansrolling/"><img src="/instagram.svg" alt="rollingveganrendezvous.com" title="instagram"></a>
+<a href="https://www.instagram.com/rolling_vegan_rendezvous?igsh=MTc4MmM1YmI2Ng%3D%3D"><img src="/instagram.svg" alt="instagram.com/rolling_vegan_rendezvous?igsh=MTc4MmM1YmI2Ng%3D%3D" title="instagram"></a>
 <a href="https://groups.io/g/RVR"><img src="/mail.svg" alt="groups.io/g/RVR" title="groups.io mailing list"></a>