[Services] added invidious

pages/sr/services.html

@@ -62,6 +62,12 @@
       <a href="https://cryptpad.org/">CryptPad</a> zamena za google office
     </td>
   <tr>-->
+  <tr>
+    <td><a href="https://invidious.dmz.rs/">Invidious</a></td>
+    <td>
+      <a href="https://invidious.io/">Invidious</a>, instanca koju koristimo kao alternativu za YouTube.
+    </td>
+  </tr>
   <tr>
     <td><a href="https://search.dmz.rs/">Search</a></td>
     <td>