feat: add crowdin integration to streamyfin (#1103)

Co-authored-by: Fredrik Burmester <fredrik.burmester@gmail.com>

.github/workflows/crowdin.yml

@@ -0,0 +1,34 @@
+name: Crowdin Action
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  synchronize-with-crowdin:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: crowdin action
+        uses: crowdin/github-action@v2
+        with:
+          upload_sources: true
+          upload_translations: true
+          download_translations: true
+          localization_branch_name: l10n_crowdin_translations
+          create_pull_request: true
+          pull_request_title: 'feat: New Crowdin Translations'
+          pull_request_body: 'New Crowdin translations by [Crowdin GH Action](https://github.com/crowdin/github-action)'
+          pull_request_base_branch_name: 'develop'
+        env:
+          # A classic GitHub Personal Access Token with the 'repo' scope selected (the user should have write access to the repository).
+          GITHUB_TOKEN: ${{ secrets.CROWDIN_GITHUB_TOKEN }}
+          
+          # A numeric ID, found at https://crowdin.com/project/<projectName>/tools/api
+          CROWDIN_PROJECT_ID: ${{ secrets.CROWDIN_PROJECT_ID }}
+
+          # Visit https://crowdin.com/settings#api-key to create this token
+          CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_PERSONAL_TOKEN }}