How to add nomination of the month

Please follow these steps to add nomination to contributors page:

1. Fork Falco repository
2. Add new information to nominations file at the bottom of the file after the last element using template below

- month: May
  link: https://github.com/falcosecurity/community/issues/166
  open: May 15, 2023
  close: May 24, 2023
  period: May 25, 2023 — May 27, 2023
  announcement: May 28, 2023

3. Note: only 3 last month nominations will be shown. Others will be hidden automatically
4. Create pull request to the Falco repository with your changes