Fixes snippet when option('debug') was null

#5

Author: iskrisis

snippets/plausible.php

@@ -1,3 +1,3 @@
-<?php if(option('debug') === false && !kirby()->user()): ?>
+<?php if(option('debug') !== true && !kirby()->user()): ?>
 <script defer data-domain="<?= option('floriankarsten.plausible.domain') ?? parse_url($kirby->url('index'))['host'] ?>" src="https://plausible.io/js/plausible.js"></script>
-<?php endif; ?>
+<?php endif; ?>