Update readme

slapos/recipe/README.seleniumrunner.txt

@@ -11,3 +11,14 @@ Parameters
   * suite_name : name of test suite to launch 
   * url : url to portal_test of ERP5 isntance to test
   * test_report_instance_url : url of test_result_module to put results
+
+  * Example :
+    <?xml version="1.0" encoding="utf-8"?>
+    <instance>
+    <parameter id="project">Vifib</parameter>
+    <parameter id="user">myuser</parameter>
+    <parameter id="password">mypassword</parameter>
+    <parameter id="suite_name">my_zuite</parameter>
+    <parameter id="url">https://myerp5totest/erp5/portal_tests</parameter>
+    <parameter id="test_report_instance_url">https://user:passwordwww.myerp5withtestresults.com/test_result_module/</parameter>
+    </instance>