Logo should scroll back to top on subpages

[david-gauquelin]

On the following pages

• https://www.wakuplay.im/payggy
• https://www.wakuplay.im/safemeet
• https://www.wakuplay.im/split
• https://www.wakuplay.im/swarm-city
• https://www.wakuplay.im/design

clicking the logo in the top-left corner should scroll up to the top of the page