Add a guide how to set the database

README.md

 # proxystatistics-simplesamlphp-module
 Module for simpleSAMLphp which shows Proxy IdP/SP statistics
+
+Guide for use module statistic
+1. Install MySQL Database and create database for statistics and user. 
+2. For this database run script to create tables. Script is available in config-templates/tables.sql
+3. Copy config-templates/module_statisticsproxy.php to your folder vith config and filled it.
+4. Add following to authproc in file saml20-idp-hosted.php:
+
+      XX => array(
+                                'class' => 'proxystatistics:statistics',
+                                'config' => array (),
+                        ),
+  where XX is number(for example 50; Must not be used for other modules)