MISC: Update readme -> add instructions to get a token from kurisu

README.md

@@ -115,6 +115,10 @@ To update the lektor database, you first need to launch `lektord`, then use the
 `lkt adm update` to update the database and `lkt adm import` to import users'
 favorite lists as playlists.
 
+While connected to kurisu, you need to obtain a token, it can be achieved by
+visiting the page https://kurisu.iiens.net/api/download.php?token while being
+connected. You must copy this token in the `token` field of the `repo` section.
+
 ### How to send commands to lektor
 
 Lektor is compatible with mpd, which means that you can use any client (only mpc