add bluesky client git

data/clients/bluesky/index.yaml

@@ -13,4 +13,5 @@ apps:
     url: https://play.google.com/store/apps/details?id=xyz.blueskyweb.app&hl=en&gl=US
     language: js
 links:
-  web: https://blueskyweb.xyz/
+  web: https://blueskyweb.xyz/
+  git: https://github.com/bluesky-social/social-app