Add bidi support

Adding these styles is the easiest way to add bidi (bidirectional text) support without or with least side effect. I have tested it by adding it manually on yewtu.be instance and so far it works very well.

assets/css/default.css

@@ -515,3 +515,16 @@ hr {
   order: 1;
   margin-top: 20px;
 }
+
+/* Bidi (bidirectional text) support */
+h1,
+h2,
+h3,
+h4,
+h5,
+p,
+#descriptionWrapper,
+#description-box {
+	unicode-bidi: plaintext;
+	text-align: start;
+}