Add dragonfly discription (#4588)

Signed-off-by: Riaan Kleinhans <[email protected]>

Author: riaankleinhans

landscape.yml

@@ -784,6 +784,8 @@ landscape:
               clomonitor_name: distribution
           - item:
             name: Dragonfly
+            description: >-
+              Delivers efficient, stable, and secure data distribution and acceleration powered by P2P technology, with an optional content‑addressable filesystem that accelerates OCI container launch.
             homepage_url: https://d7y.io/
             project: graduated
             repo_url: https://github.com/dragonflyoss/dragonfly