Add GitHub workflows for syncing Crowdin translations

Changelog-Added: Added GitHub workflows for syncing Crowdin translations
Signed-off-by: Terry Yiu <git@tyiu.xyz>

.github/workflows/crowdin-download.yml

@@ -0,0 +1,33 @@
+name: Crowdin Download Translations
+
+on:
+  repository_dispatch:
+    types: [ crowdin-translation-complete ]
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  crowdin-download:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Crowdin download translations
+        uses: crowdin/github-action@v2
+        with:
+          upload_sources: false
+          upload_translations: false
+          download_translations: true
+          localization_branch_name: crowdin-translations
+          create_pull_request: true
+          pull_request_title: 'Crowdin Translations'
+          pull_request_body: 'Crowdin translations by [Crowdin GH Action](https://github.com/crowdin/github-action)'
+          pull_request_base_branch_name: 'master'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          CROWDIN_PROJECT_ID: ${{ secrets.CROWDIN_PROJECT_ID }}
+          CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_PERSONAL_TOKEN }}