Potential fix for code scanning alert no. 2: Workflow does not contain permissions (#16)

Signed-off-by: Fernando Seguim <fernando.seguim@guardia.finance>
Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: fernandoseguim

.github/workflows/deploy.yml

@@ -9,6 +9,8 @@ jobs:
   build:
     name: Build Docusaurus
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     steps:
       - uses: actions/checkout@v4
         with: