Subscription apps that can be built on top of the SabVM

[PaulRBerg]

Potential integrators and developers that may be interested in building a subscription app on top of SabVM:

• CooperX
• Loop
• Sphere Labs

We should update this list occasionally whenever we identify other candidates.

cc @razgraf @smol-ninja @maxdesalle

Related: https://sablier.slack.com/archives/C04UTSBU84Q/p1713282996996909