Bug 1820774: Need to have full url in Resume -> introduction link

In the arrow menu
So that it woeks on sites with clean urls

behatnotneeded

Change-Id: I1a20ae15dfac41db236b8862a7738f1e991d5480
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>

htdocs/artefact/resume/lib.php

@@ -63,7 +63,7 @@ class PluginArtefactResume extends PluginArtefact {
             ),
             'index' => array(
                 'page'  => 'index',
-                'url'   => 'artefact/resume',
+                'url'   => 'artefact/resume/index.php',
                 'title' => get_string('introduction', 'artefact.resume'),
             ),
             'employment' => array(