Add in WithoutCache plugin

root/usr/share/smanager/lib/SrvMngr/Plugin/Cache.pm

@@ -0,0 +1,73 @@
+package SrvMngr::Plugin::Cache;
+use Mojo::Base -base;
+
+=head1 NAME
+
+Mojolicious::Plugin::Renderer::WithoutCache::Cache - Mojo::Cache that doesn't cache
+
+=head1 VERSION
+
+Version 0.04
+
+=cut
+
+our $VERSION = '0.04';
+$VERSION = eval $VERSION;
+
+=head1 SYNOPSIS
+
+You probably don't want to use this directly.
+
+    my $cache = Mojolicious::Plugin::Renderer::WithoutCache::Cache->new;
+    # this cache does nothing
+
+=head1 DESCRIPTION
+
+A cache object that's compatible to Mojo::Cache but does nothing. It does
+not save or return any values. It's always empty.
+
+=head1 METHODS
+
+=head2 get
+
+Does nothing. Returns C<undef>.
+
+=cut
+
+sub get {}
+
+=head2 set
+
+Does nothing. Returns C<$self> so chaining is possible.
+
+=cut
+
+sub set { shift; }
+
+=head2 max_keys
+
+Always returns zero. Can't be set. We don't want any keys.
+
+=cut
+
+sub max_keys { 0 }
+
+=head1 AUTHOR
+
+simbabque, C<< <simbabque at cpan.org> >>
+
+=head1 BUGS
+
+Please report any bugs or feature requests through an issue
+on github at L<https://github.com/simbabque/Mojolicious-Plugin-Renderer-WithoutCache/issues>.
+
+=head1 LICENSE
+
+Copyright (C) simbabque.
+
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
+
+=cut
+
+1;