workflows: automatically refresh algolia index on new deploys

Signed-off-by: Luca Zeuch <[email protected]>

Author: l-zeuch

.github/workflows/algolia.yml

@@ -0,0 +1,21 @@
+---
+name: Refresh Algolia Index
+
+on:
+  deployment:
+
+jobs:
+  refresh:
+    runs-on: ubuntu-latest
+    steps:
+      - if: ${{ github.event.environment == 'github-pages' }}
+        uses: algolia/[email protected]
+        id: algolia_crawler
+        with: # mandatory parameters
+          crawler-user-id: ${{ secrets.CRAWLER_USER_ID }}
+          crawler-api-key: ${{ secrets.CRAWLER_API_KEY }}
+          algolia-app-id: ${{ secrets.ALGOLIA_APP_ID }}
+          algolia-api-key: ${{ secrets.ALGOLIA_API_KEY }}
+          crawler-name: 'help-yagpdb'
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          site-url: 'https://help.yagpdb.xyz'