Potential fix for code scanning alert no. 9: Workflow does not contain permissions (#65)

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: DeveloperTryingToCodeLikeOtherOfThem

.github/workflows/update-docs-index.yml

@@ -9,6 +9,8 @@ on:
 jobs:
   update-index:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
 
     steps:
       - name: Checkout repository