Add config parser documentation

lib/Workflow/Config/YAML.pm

@@ -66,3 +66,73 @@ sub _translate_yaml {
 }
 
 1;
+
+
+__END__
+
+=pod
+
+=head1 NAME
+
+Workflow::Config::YAML - Parse workflow configurations as YAML data structures
+
+=head1 VERSION
+
+This documentation describes version 1.57 of this package
+
+=head1 SYNOPSIS
+
+ # either of these is acceptable
+ my $parser = Workflow::Config->new( 'yaml' );
+ my $parser = Workflow::Config->new( 'yml' );
+
+ my $conf = $parser->parse( 'condition',
+                            'my_conditions.yml', 'your_conditions.yaml' );
+
+=head1 DESCRIPTION
+
+Implementation of configuration parser for serialized YAML data
+structures from files/data. See L<Workflow::Config> for C<parse()>
+description.
+
+=head1 METHODS
+
+=head2 parse
+
+This method is required implemented by L<Workflow::Config>.
+
+It takes two arguments:
+
+=over
+
+=item * a string indicating the type of configuration. For a complete list of
+types please refer to L<Workflow::Config>
+
+=item * a list of filenames containing at least a single file name
+
+=back
+
+The method returns a list of configuration parameters.
+
+=head1 SEE ALSO
+
+=over
+
+=item * L<Workflow::Config>
+
+=back
+
+=head1 COPYRIGHT
+
+Copyright (c) 2004-2021 Chris Winters. All rights reserved.
+
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
+
+Please see the F<LICENSE>
+
+=head1 AUTHORS
+
+Please see L<Workflow>
+
+=cut