Adding datetime format.

Build.PL

@@ -9,17 +9,18 @@ my $build = Module::Build->new(
     dist_author   => 'Sergio Iglesias <contact@owlcode.tech>',
     dist_abstract => 'The Owlcode.tech webpage.',
     requires      => {
-        'Mojolicious' => 0,
-        'Const::Fast' => 0,
-        'Crypt::URandom' => 0,
-        'Crypt::Bcrypt' => 0,
-        'DBI' => 0,
-        'DBD::Pg' => 0,
+        'Mojolicious'                  => 0,
+        'Const::Fast'                  => 0,
+        'Crypt::URandom'               => 0,
+        'Crypt::Bcrypt'                => 0,
+        'DBI'                          => 0,
+        'DBD::Pg'                      => 0,
         'DateTime::Format::ISO8601.pm' => 0,
-        'DateTime::Format::Mail.pm' => 0,
-        'SVG' => 0,
-        'XML::Twig' => 0,
-        'JSON' => 0,
+        'DateTime::Format::Mail.pm'    => 0,
+        'SVG'                          => 0,
+        'XML::Twig'                    => 0,
+        'JSON'                         => 0,
+        'DateTime::Format::ISO8601'    => 0,
     },
 );
 $build->create_build_script;