Use spaces instead of tabs

nyaa/static/js/main.js

@@ -105,13 +105,13 @@ document.addEventListener("DOMContentLoaded", function() {
     var previewTabEl = markdownEditor.querySelector(previewTabSelector);
     var targetEl = markdownEditor.querySelector(targetSelector);
 
-		var reader = new commonmark.Parser({safe: true});
-		var writer = new commonmark.HtmlRenderer({safe: true});
-		writer.softbreak = '<br />';
+    var reader = new commonmark.Parser({safe: true});
+    var writer = new commonmark.HtmlRenderer({safe: true});
+    writer.softbreak = '<br />';
 
     previewTabEl.addEventListener('click', function () {
-			var parsed = reader.parse(sourceSelector.value.trim());
-			targetEl.innerHTML = writer.render(parsed);
+      var parsed = reader.parse(sourceSelector.value.trim());
+      targetEl.innerHTML = writer.render(parsed);
     });
   });
 });