Add back the permissions (#46)

.github/workflows/docs.yml

@@ -7,6 +7,18 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
 # Default to bash
 defaults:
   run: