Add Tamil to language dropdown

index.html

@@ -12,7 +12,7 @@
   <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Fira+Sans|Zilla+Slab|Zilla+Slab+Highlight:400,700">
 
   <meta name="defaultLanguage" content="en-US">
-  <meta name="availableLanguages" content="de, en-US, es, fr, pt-BR, te-IN, hi">
+  <meta name="availableLanguages" content="de, en-US, es, fr, pt-BR, te-IN, hi, ta">
   <link rel="localization" href="locales/{locale}.ftl">
   <script defer src="dist/l20n.min.js"></script>
 
@@ -55,6 +55,7 @@
             <option value="pt-BR">Português</option>
             <option value="te-IN">తెలుగు</option>
             <option value="hi">हिन्दी</option>
+            <option value="ta">தமிழ்</option>
           </select>
       </div>