Add global search with Algolia

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 0c2fa5e):

https://roles-app-37879--pr42-search-7q1vt577.web.app

_{(expires Wed, 31 Aug 2022 23:14:04 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}