Add option to drop DESCRIPTION on sync (#264)

* Added option to ignore description

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Implemented description removal

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Added title to authentication

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>

* Update setting explanation

---------

Signed-off-by: Arnau Mora Gras <arnyminerz@proton.me>
Co-authored-by: Sunik Kupfer <kupfer@bitfire.at>