Added simplesaml php config

Author: andriyun

simplesamlphp/README.md

@@ -1,5 +1,7 @@
 # SimplesamlPHP configuration
 
+## Using Simplesamlphp from /vendor directory (Recommended)
+
 Purpose of this directory to store SimplesamlPHP configuration.
 
 SimplesamlPHP library code manages via composer and stored in `vendor/simplesamlphp`
@@ -14,7 +16,7 @@ like:
 
 In example above is assumes that your project installed in `/var/www` directory.
 
-## Recommended
+### Recommended
 
 Recommended directories configuration in `simplesamlphp/config/config.php` file:
 ```
@@ -23,3 +25,19 @@ Recommended directories configuration in `simplesamlphp/config/config.php` file:
     'datadir' => '/project/root/path/simplesamlphp/data/',
     'tempdir' => '/project/root/path/tmp/simplesamlphp',
 ```
+
+## Using Simplesamlphp from custom installed directory fx: /var/simplesamlphp
+
+Configuration from this directory attached to application via vhost settings in apache server
+like:
+
+```
+  SetEnv SIMPLESAMLPHP_CONFIG_DIR /var/simplesamlphp/config
+  Alias /simplesaml /var/simplesamlphp/www
+```
+
+Add extra line to [docroot]/sites/default/settings.php
+
+```
+$settings['simplesamlphp_dir'] = '/var/simplesamlphp';
+```