added clients into billing report info

src/sql/0-run-first/billing.sql

@@ -7,7 +7,8 @@ SELECT pkey,
        line_created,
        accepted_date,
        (qty * default_price)                                                                   AS fee,
-       invoice_accepted
+       invoice_accepted,
+       (SELECT clients.name FROM clients where clients.pkey = (SELECT contacts.cl_fkey from contacts where pkey =  (SELECT all_projects.contact_fkey where all_projects.refnum = refNumber))) as 'Client'
 FROM billing
 where invoice_accepted = 1;