fix: Mast nahrazen Tuba v kategorii Počítač

apps.html

@@ -451,14 +451,15 @@ h1 span { color: var(--accent); }
 
   <!-- POČÍTAČ -->
   <div class="card" data-platforms="pocitac">
-    <div class="app-logo"><img src="img/apps/mast.webp" alt="Mast"></div>
+    <div class="app-logo"><img src="img/apps/tuba.svg" alt="Tuba"></div>
     <div class="card-body">
-      <div class="card-name">Mast</div>
+      <div class="card-name">Tuba</div>
       <div class="card-tags">
         <span class="tag tag-platform">Počítač</span>
-        <span class="tag tag-paid">Placené</span>
+        <span class="tag tag-free">Zdarma</span>
+        <span class="tag tag-open">Otevřená</span>
       </div>
-      <a href="https://apps.apple.com/app/mast-for-mastodon/id1437429129" class="btn-dl" target="_blank" rel="noopener">Stáhnout →</a>
+      <a href="https://tuba.geopjr.dev" class="btn-dl" target="_blank" rel="noopener">Stáhnout →</a>
     </div>
   </div>