The rosserial mbed library link in the rosserial tutorial shows as page not found? [closed]

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The rosserial tutorial says for using the mbed online compiler, add the following repo: https://developer.mbed.org/users/gary...

However the given url shows as Page Not Found. It looks like garyservin only did previous versions of ROS and has not updated for the later ones (lunar and melodic for example). Neither import on mbed online compiler or mbed-cli mbed add https://developer.mbed.org/users/gary... work. Expected behavior is it should import the rosserial library, but it fails because the page doesn't exist.