Add 2fa link in readme
@@ -48,7 +48,9 @@ At first run, you will be asked to setup Trakt and Plex access.
Follow the instructions, your credentials and API keys will be stored in
`.env` and `.pytrakt.json` files.
-If you have 2 Factor Authentication enabled on Plex, you can append the code to your password.
+If you have [2 Factor Authentication enabled on Plex][2fa], you can append the code to your password.
+
+[2fa]: https://support.plex.tv/articles/two-factor-authentication/#toc-1:~:text=Old%20Third%2DParty%20Apps%20%26%20Tools
You can take a look at the progress in the `last_update.log` file which will
be created.
