feat: add team feature flag (#915)

## Description

Add the ability to feature flag the teams feature via UI.

Also added minor UI changes

## Checklist

- [X] I have tested these changes locally and they work as expected.
- [X] I have added/updated tests that prove the effectiveness of these
changes.
- [X] I have followed the project's coding style guidelines.

apps/web/src/components/(teams)/dialogs/create-team-checkout-dialog.tsx

@@ -158,6 +158,7 @@ export const CreateTeamCheckoutDialog = ({
 
               <Button
                 type="submit"
+                disabled={selectedPrice.interval === 'yearly'}
                 loading={isCreatingCheckout}
                 onClick={async () =>
                   createCheckout({
@@ -166,7 +167,7 @@ export const CreateTeamCheckoutDialog = ({
                   })
                 }
               >
-                Checkout
+                {selectedPrice.interval === 'monthly' ? 'Checkout' : 'Coming soon'}
               </Button>
             </DialogFooter>
           </div>