Automatically edit PRs with link to Netlify preview

Author: hugovk

.github/workflows/documentation-links.yml

@@ -0,0 +1,22 @@
+name: Read the Docs PR preview
+on:
+  pull_request_target:
+    types:
+      - opened
+    paths:
+    - 'Doc/**'
+    - 'Misc/**'
+    - '.github/workflows/doc.yml'
+
+permissions:
+  pull-requests: write
+
+jobs:
+  documentation-links:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: hugovk/actions/preview@netlify
+        with:
+          project-slug: "hugovk-cpython"
+          platform: "netlify"
+          single-version: "true"