Storybook (#328)

* feat(docs): add interactive examples and API references for Button, Card, and LoadingFallback components
- Updated dependencies
- Set `retries` to a fixed value of 3 for consistent test retries across environments.
- Increased `timeout` from 60 seconds to 120 seconds to allow more time for tests to complete.
- Reduced `expect` timeout from 10 seconds to 5 seconds for quicker feedback on assertions.

packages/billing/stripe/package.json

@@ -29,7 +29,7 @@
     "@kit/ui": "workspace:*",
     "@types/react": "19.1.10",
     "date-fns": "^4.1.0",
-    "next": "15.4.7",
+    "next": "15.5.0",
     "react": "19.1.1",
     "zod": "^3.25.74"
   },