https://wccftech.com/valve-could-be-working-on-a-steam-cloud-gaming-service/

A new partner site code update spotted by Steam Database could point out to a 'Steam Cloud Gaming' service in the works at Valve.

If you head to this Github page, you'll notice the following new strings in the code: 'You must agree to the terms in the Steam Cloud Gaming Addendum before continuing' and 'Thank you for signing the latest Steam Cloud Gaming Addendum. Click OK to continue.'