scouting: Document how to connect directly to the database

This patch attempts to teach folks how to use `psql` to connect to the
database. It lets you really easily look at the raw data in the
database.

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: I05c89a31a3e415b4fc9d2c2e75ed86a80482c0a3
diff --git a/debian/postgresql_amd64.BUILD b/debian/postgresql_amd64.BUILD
index c2f8331..400ab82 100644
--- a/debian/postgresql_amd64.BUILD
+++ b/debian/postgresql_amd64.BUILD
@@ -52,5 +52,6 @@
     ),
 ) for binary in (
     "postgres",
+    "psql",
     "initdb",
 )]