Add Algolia refresh action

Author: Tom Mitchelmore

.github/workflows/algolia.yml

@@ -0,0 +1,18 @@
+name: Algolia Docsearch Crawl
+
+on:
+  workflow_dispatch:
+
+jobs:
+  crawl:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger Algolia Crawler
+        uses: algolia/algoliasearch-crawler-github-actions@v1
+        with:
+          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 }}
+          site-url: "https://docs.lumberjack.rareloop.com"
+          override-config: false