Update Plack app (#1397)

_example/plack-app/llng.psgi

@@ -3,46 +3,50 @@
 use Data::Dumper;
 use Plack::Builder;
 
-# Test
+# Basic test app
 my $testApp = sub {
     my ($env) = @_;
     return [
         200,
         [ 'Content-Type' => 'text/plain' ],
-        [ "Hello world\n\n" . Dumper($env) ],
+        [ "Hello LLNG world\n\n" . Dumper($env) ],
     ];
 };
 
+# Build protected app
 my $test = builder {
     enable "Auth::LemonldapNG";
     $testApp;
 };
 
+# Build portal app
 use Lemonldap::NG::Portal::Main;
 my $portal = builder {
     enable "Plack::Middleware::Static",
       path => '^/static/',
-      root => '/home/xavier/dev/lemonldap/lemonldap-ng-portal/site/htdocs/';
+      root => '__PORTALSITEDIR__';
     Lemonldap::NG::Portal::Main->run( {} );
 };
 
+# Build manager app
 use Lemonldap::NG::Manager;
 my $manager = builder {
     enable "Plack::Middleware::Static",
       path => '^/static/',
-      root => '/home/xavier/dev/lemonldap/lemonldap-ng-manager/site/htdocs/';
+      root => '__MANAGERSITEDIR__';
     enable "Plack::Middleware::Static",
       path => '^/doc/',
-      root => '/home/xavier/dev/lemonldap/';
+      root => '__DEFDOCDIR__../';
     enable "Plack::Middleware::Static",
       path => '^/lib/',
-      root => '/home/xavier/dev/lemonldap/doc/pages/documentation/current/';
+      root => '__DEFDOCDIR__pages/documentation/current/';
     enable "Plack::Middleware::Static",
       path => '^/fr-doc/',
-      root => '/home/xavier/dev/lemonldap/po-doc/';
+      root => '__FRDOCDIR__../';
     Lemonldap::NG::Manager->run( {} );
 };
 
+# Global app
 builder {
     mount 'http://test1.example.com/'   => $test;
     mount 'http://auth.example.com/'    => $portal;