* update sample config

conf/ldv.conf.sample

@@ -1,5 +1,6 @@
 {
-  secret     => undef,
+  secret => 'change-me',
+
   user => {
     allow_list     => 0,
     allow_chpass   => 1,
@@ -13,6 +14,15 @@
     reply  => 'admin@example.com',
   },
 
+  db => {
+    type => 'sqlite3',
+    host => undef,
+    name => undef,
+    user => undef,
+    pass => undef,
+    file => 'data/linuxdv.db',
+  },
+
   ldap => {
     server     => '127.0.0.1',
     binddn     => undef,