feat: add label to sponsor button on podcast page

closes #162

themes/cp_app/podcast/_layout.php

@@ -59,7 +59,7 @@
         </div>
         <div class="z-10 inline-flex items-center self-end mt-2 mr-2 sm:mb-4 sm:mr-4 gap-x-2">
             <?php if (in_array(true, array_column($podcast->fundingPlatforms, 'is_visible'), true)): ?>
-                <button class="p-2 text-red-600 bg-white rounded-full shadow hover:text-red-500 focus:ring-accent" data-toggle="funding-links" data-toggle-class="hidden" data-tooltip="bottom" title="<?= lang('Podcast.sponsor') ?>"><Icon glyph="heart"></Icon></button>
+                <button class="inline-flex items-center px-4 text-xs font-semibold leading-8 tracking-wider text-red-600 uppercase bg-white rounded-full shadow hover:text-red-500 focus:ring-accent" data-toggle="funding-links" data-toggle-class="hidden" data-tooltip="bottom"><Icon glyph="heart" class="mr-2 text-sm"></Icon><?= lang('Podcast.sponsor') ?></button>
             <?php endif; ?>
             <?= anchor_popup(
                         route_to('follow', esc($podcast->handle)),