Improves the sync of translation files and README.md (#2744)

# Description of Changes

Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)

---

## Checklist

### General

- [x] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md)
(if applicable)
- [x] I have performed a self-review of my own code
- [x] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#6-testing)
for more details.

.github/pull_request_template.md

@@ -6,7 +6,7 @@ Please provide a summary of the changes, including:
 - Why the change was made
 - Any challenges encountered
 
-Closes #(issue_number) (e.g., Closes #123 for issue 123)
+Closes #(issue_number)
 
 ---
 

.github/workflows/sync_files.yml

@@ -13,51 +13,123 @@ permissions:
   contents: read
 
 jobs:
-  sync-readme:
+  read_bot_entries:
     runs-on: ubuntu-latest
-    permissions:
-      contents: write
-      pull-requests: write
+    outputs:
+      userName: ${{ steps.get-user-id.outputs.user_name }}
+      userEmail: ${{ steps.get-user-id.outputs.user_email }}
+      committer: ${{ steps.committer.outputs.committer }}
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@c95a14d0e5bab51a9f56296a4eb0e416910cd350 # v2.10.3
         with:
           egress-policy: audit
 
+      - name: Generate GitHub App Token
+        id: generate-token
+        uses: actions/create-github-app-token@c1a285145b9d317df6ced56c09f525b5c2b6f755 # v1.11.1
+        with:
+          app-id: ${{ secrets.GH_APP_ID }}
+          private-key: ${{ secrets.GH_APP_PRIVATE_KEY }}
+
+      - name: Get GitHub App User ID
+        id: get-user-id
+        run: |
+          USER_NAME="${{ steps.generate-token.outputs.app-slug }}[bot]"
+          USER_ID=$(gh api "/users/$USER_NAME" --jq .id)
+          USER_EMAIL="[email protected]"
+          echo "user_name=$USER_NAME" >> "$GITHUB_OUTPUT"
+          echo "user_email=$USER_EMAIL" >> "$GITHUB_OUTPUT"
+          echo "user-id=$USER_ID" >> "$GITHUB_OUTPUT"
+        env:
+          GH_TOKEN: ${{ steps.generate-token.outputs.token }}
+
+      - id: committer
+        run: |
+          COMMITTER="${{ steps.get-user-id.outputs.user_name }} <${{ steps.get-user-id.outputs.user_email }}>"
+          echo "committer=$COMMITTER" >> "$GITHUB_OUTPUT"
+
+  sync-files:
+    needs: ["read_bot_entries"]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@c95a14d0e5bab51a9f56296a4eb0e416910cd350 # v2.10.3
+        with:
+          egress-policy: audit
+
+      - name: Generate GitHub App Token
+        id: generate-token
+        uses: actions/create-github-app-token@c1a285145b9d317df6ced56c09f525b5c2b6f755 # v1.11.1
+        with:
+          app-id: ${{ vars.GH_APP_ID }}
+          private-key: ${{ secrets.GH_APP_PRIVATE_KEY }}
+
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
       - name: Set up Python
         uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
         with:
           python-version: "3.12"
           cache: 'pip' # caching pip dependencies
+
+      - name: Sync translation property files
+        run: |
+          python .github/scripts/check_language_properties.py --reference-file "src/main/resources/messages_en_GB.properties" --branch main
+
+      - name: Set up git config
+        run: |
+          git config --global user.name ${{ needs.read_bot_entries.outputs.userName }}
+          git config --global user.email ${{ needs.read_bot_entries.outputs.userEmail }}
+
+      - name: Run git add
+        run: |
+          git add .
+          git diff --staged --quiet || git commit -m ":memo: Sync translation files" || echo "no changes"
+
       - name: Install dependencies
         run: pip install --require-hashes -r ./.github/scripts/requirements_sync_readme.txt
+
       - name: Sync README
-        run: python scripts/counter_translation.py
-      - name: Set up git config
         run: |
-          git config --global user.name "github-actions[bot]"
-          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+          python scripts/counter_translation.py
+
       - name: Run git add
         run: |
           git add .
-          git diff --staged --quiet || git commit -m ":memo: Sync README
-          > Made via sync_files.yml" || echo "no changes"
+          git diff --staged --quiet || git commit -m ":memo: Sync README.md" || echo "no changes"
+
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@67ccf781d68cd99b580ae25a5c18a1cc84ffff1f # v7.0.6
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ steps.generate-token.outputs.token }}
           commit-message: Update files
-          committer: GitHub Action <[email protected]>
-          author: GitHub Action <[email protected]>
+          committer: ${{ needs.read_bot_entries.outputs.committer }}
+          author: ${{ needs.read_bot_entries.outputs.committer }}
           signoff: true
           branch: sync_readme
-          title: ":memo: Update README: Translation Progress Table"
+          title: ":memo: Sync translation files + Update README.md (Translation Progress Table)"
           body: |
+            #### Description
+
+            This Pull Request was automatically generated to synchronize updates to translation files and documentation. The changes include:
+
+            1. **Synchronization of Translation Files:**
+              - Updated content based on the latest changes in `messages_en_GB.properties`.
+              - Ensured consistency between all language files and the reference file.
+
+            2. **Update README.md:**
+              - Generated the translation progress table.
+              - Displayed the current status of translations for all supported languages.
+
+            ---
             Auto-generated by [create-pull-request][1]
 
             [1]: https://github.com/peter-evans/create-pull-request
           draft: false
           delete-branch: true
           labels: Documentation,Translation,github-actions
           sign-commits: true
+          add-paths: |
+            README.md
+            src/main/resources/messages_*.properties