Add permissions to deploy workflow

Explicitly set permissions for contents, pages, and id-token in the deploy.yml GitHub Actions workflow to support deployment to GitHub Pages.

Author: ericlmao

.github/workflows/deploy.yml

@@ -1,10 +1,14 @@
 name: Deploy Docusaurus to GitHub Pages
-
 on:
   push:
     branches:
       - main
 
+permissions:
+  contents: write   # allow pushing commits
+  pages: write      # allow requesting Pages builds
+  id-token: write   # needed by some page deployments
+
 jobs:
   build-deploy:
     runs-on: ubuntu-latest