Update jekyll.yml

    # Run our deployment command

    - name: Deploying the static website to gh-pages

      run: | 

        npm install --legacy-peer-deps

        git config --global user.name $user_name

        git config --global user.email $user_email

        npm install

        git config --global user.name ${{ secrets.USER_NAME }}

        git config --global user.email ${{ secrets.USER_EMAIL }}

        npm run deploy

      working-directory: app

      env:

        GITHUB_TOKEN: ${{ github.token }}