Added site description - rss feed requirement

_quarto.yml

@@ -10,6 +10,7 @@ website:
   favicon: media/pharmaverseblog.png
   site-url: https://pharmaverse.github.io/blog
   repo-url: https://github.com/pharmaverse/blog
+  description: Short, fun and user-driven content around the pharmaverse.
   open-graph: true
   navbar:
     background: "#CCCCCC"