Fix expand button: add unapi class to opt out of Unraid orange button styling

Plugin/unraid/Varaverk.page

@@ -31,7 +31,7 @@ $tabLabels = ['monitor' => 'Monitor', 'scheduler' => 'Scheduler', 'docker' => 'D
 
 <link rel="stylesheet" href="/plugins/<?=$plugin?>/css/varaverk.css">
 
-<div id="varaverk-wrap">
+<div id="varaverk-wrap" class="unapi">
 
   <!-- Tab bar -->
   <div id="vv-tabs">
@@ -47,7 +47,7 @@ $tabLabels = ['monitor' => 'Monitor', 'scheduler' => 'Scheduler', 'docker' => 'D
          title="GitHub — source, issues, changelog">
         ⎋ GitHub
       </a>
-      <button id="vv-expand-btn" onclick="vvToggleExpand()" title="Expand">⤢</button>
+      <button id="vv-expand-btn" type="button" onclick="vvToggleExpand()" title="Expand">⤢</button>
     </div>
   </div>