Including Stroll as an Edition, call for maintainers

I talked to Dave G and he’s OK with Stroll being included as an edition.

Stroll is a second brain / digital garden set up similar to Roam, and there are other TiddlyWiki editions like it. Dave originally created TiddlyBlink, which in turn is what TiddlyRoam is based on.

I filed a reminder for myself in Github to include it:

Dave also said that he’d love it if a maintainer could take over for him – which might mean moving it to Github and doing actual development maintenance.