update starting page

public_html/index.php

 <?php
+/*
+ * IML CISERVER :: install check
+ * 
+ */
+$sApproot=dirname(__DIR__);
+if (file_exists($sApproot.'/config/config_custom.php_') && file_exists($sApproot.'/config/inc_user2roles.php')){
     header("location: /deployment/all/login/");
+}
+
+echo '
+        <h1>Welcome to the IML CISERVER!</h1>
+        <p>
+            It seems you just extracted the sources and try to run the web interface.<br>
+            Go to app root <code>'.$sApproot.'/config/</code> and create there 2 files from
+            *.dist.<br>
+            Then verify <a href="check-config.php">check-config.php</a>.
+        </p>
+    '
+;
+
+ 
     // echo '<h1>' . php_uname("n") . '</h1><hr>';
 ?>
 
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-<a href="/deployment/">Deployment</a> | 
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+<a href="https://git-repo.iml.unibe.ch/iml-open-source/imldeployment/">Gitlab</a> |