[EPIC] Revalidation

[TurnipXenon]

https://nextjs.org/docs/basic-features/data-fetching/incremental-static-regeneration

• [x] Make endpoint at potato #34
• [x] Call this endpoint from turnip https://github.com/TurnipXenon/turnip/issues/116
• [x] Create UI in potato to call turnip to make validation #35
• [x] Setup the environment variables both in Turnip and Potato?
  • [x] Potato: TURNIP_TOKEN, SERVICE_NAME
  • [x] Turnip: POTATO_TOKEN, POTATO_URL
• [ ] #48

[TurnipXenon]

Moving upgrading to NextJs13 later when it's more stable