re-try diff

Author: ocefpaf

.github/workflows/jekyll-diff.yml

@@ -0,0 +1,13 @@
+# https://github.com/David-Byrne/jekyll-diff-action
+
+name: Jekyll diff
+on: [pull_request]
+
+jobs:
+  diff-site:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: David-Byrne/jekyll-diff-action@v1.2.0
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}