Please archive this repository

[solimant]

@K-Phoen - please archive this repository in favor of https://github.com/procore-oss/backstage-plugin-announcements/.

Thank you.

[solimant]

@K-Phoen - looks like https://github.com/procore-oss/backstage-plugin-announcements/ has been archived.

[gaelgoth]

@solimant @K-Phoen FYI, this plugin is now part of the Backstage community repository: https://github.com/backstage/community-plugins/tree/main/workspaces/announcements