example_configs: Added zendto

* Create zendto.md

* Update README.md

README.md

@@ -251,6 +251,7 @@ folder for help with:
   - [WeKan](example_configs/wekan.md)
   - [WG Portal](example_configs/wg_portal.env.example)
   - [XBackBone](example_configs/xbackbone_config.php)
+  - [Zendto](example_configs/zendto.md)
 
 ## Comparisons with other services
 

example_configs/zendto.md

@@ -0,0 +1,18 @@
+# Configuration for Zendto
+
+You setup https://zend.to/ for using LDAP by editing `/opt/zendto/config/preferences.php`. The relevant part for LDAP-settings is 
+```
+  'authenticator'         => 'LDAP',
+  'authLDAPBaseDN'        => 'DC=example,DC=com',
+  'authLDAPServers'       => array('ldap://ldap_server_ip:3890'),
+  'authLDAPAccountSuffix' => '@example.com',
+  'authLDAPUseSSL'        => false,
+  'authLDAPStartTLS'      => false,
+  'authLDAPBindDn'        => 'uid=admin,ou=people,dc=example,dc=com',
+  'authLDAPBindPass'      => 'your_password',
+  'authLDAPUsernameAttr'  => 'uid',
+  'authLDAPEmailAttr'     => 'mail',
+  'authLDAPMemberKey'     => 'memberOf',
+  'authLDAPMemberRole'    => 'uid=zendto,ou=groups,dc=example,dc=com',
+```
+Every user of the group `zendto` is allowed to login.