* modules for platform plans and billing pages * add platform billing and plans related pages * update platform navigation to include billing tab * custom hook to upgrade team subscription * refactors * export cta row component * fixup * only pass in subscription id instead of whole subscription * refactor :teamId/subscribe endpoint logic, add endpoint for upgrading stripe and shift all webhooks logic into services * refactor team subscription logic, add logic for upgrading stripe and webhooks logic from billing controller --------- Co-authored-by: Peer Richelsen <peeroke@gmail.com>