Run script and create branch automatic workflow

.github/workflows/i18n-automatic-branch.yml

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+name: Update JSON Files
+
+on:
+  push:
+    branches:
+      - main # Only care about the main branch, don't care about any PRs or forks
+      - master
+    paths:
+      - strings/** # Should only check if any strings changed
+
+jobs:
+  update_translations:
+    runs-on: ubuntu-latest
+    steps:
+    # Check out the repository
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    # Set up node to run the javascript
+    - name: Set up node
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20'
+    
+    # Runs the custom script using the local action defined in `action.yaml`
+    #
+    # The action runs the `copy_keys.js` script, which copies any unused keys
+    # from the English language file to other language files, and orders each
+    # file by key alphabetically.
+    #   
+    # The only argument is the `directory`, which is where the i18n files are
+    # stored.
+    - name: Run Update JSON Files action
+      uses: audiobookshelf/audiobookshelf-i18n-updater@v1.0.0-beta
+      with:
+        directory: 'strings/'  # Adjust the directory path as needed
+
+    # Does a git diff to see if any language files were changed from running
+    # the script. This will be false if the local script was already ran
+    # locally so no changes are needed for the language files.
+    - name: Check diff of strings
+      run: |
+        if git diff --exit-code; then
+          echo "CHANGED=false" >>${GITHUB_ENV}
+        else
+          echo "CHANGED=true" >>${GITHUB_ENV}
+        fi
+
+
+    # If changes were detected, create a branch with the changes and open
+    # a PR to `main`. This requires changing the Workflow Permissions
+    # to be "read and write" to create the branch and commit, and then
+    # also need to enable "Allow GitHub actions to create and approve PR"
+    # so the PR can actually be made. Also set up secrets for user email
+    # name if anyone cares about that since it's available in git logs anyway.
+    - name: If changes, commit and open PR
+      if: ${{ env.CHANGED == 'true' }}
+      run: |
+        branch_name="update-strings-$(git log --format=%h -n 1)"
+        git config user.email "${{secrets.USER_EMAIL}}"
+        git config user.name "${{secrets.USER_NAME}}"
+        git checkout -b $branch_name
+        git add .
+        git commit -m "chore: Update strings"
+        git push origin $branch_name
+        gh pr create -B main -H $branch_name --title 'Automatic translation updates' --body 'Created by GH Action. Can be ignored if there are other open translation PRs.'
+      env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}