add chat postgresql

diff --git a/_index.md b/_index.md
index 3b9e57a5b8fecafcc55ad2f48094e441e36ea165..2abd24d7b12ebe6c63ccb7f48e4e22af1ec749b0 100644 (file)
--- a/_index.md
+++ b/_index.md
@@ -4,6 +4,7 @@ themes:
 - Database engines
 website: https://www.postgresql.org/
 logo: stands/postgresql/logo.png
+chat: postgresql
 description: |
     <p>PostgreSQL is a powerful, open source object-relational database system 
     that uses and extends the SQL language combined with many features that safely