Add crowdin auto translator

.github/workflows/crowdin.yml

@@ -0,0 +1,34 @@
+name: Crowdin Action
+on:
+    push:
+        branches:
+            - master
+
+jobs:
+    synchronize-with-crowdin:
+        runs-on: ubuntu-latest
+        permissions:
+            pull-requests: write
+            contents: write
+        steps:
+            -   name: Checkout
+                uses: actions/checkout@v3
+            -   name: Crowdin Action
+                uses: crowdin/github-action@v1
+                with:
+                    upload_sources: true
+                    config: crowdin.yml
+                    upload_translations: false
+                    download_sources: false
+                    download_translations: true
+                    skip_untranslated_strings: true
+                    export_only_approved: true
+                    push_translations: true
+                    create_pull_request: true
+                    pull_request_title: 'New Crowdin Translations'
+                    pull_request_base_branch_name: 'master'
+                    pull_request_body: 'New Crowdin Translations'
+                    localization_branch_name: l10n
+                env:
+                    GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+                    CROWDIN_PERSONAL_TOKEN: "${{ secrets.CROWDIN_TOKEN }}"

crowdin.yml

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+project_id: "588173"
+base_path: "."
+api_token_env: CROWDIN_PERSONAL_TOKEN
+preserve_hierarchy: false
+base_url: "https://api.crowdin.com"
+commit_message: "New translations"
+append_commit_message: false
+files:
+    - source: "/src/main/resources/assets/firmament/lang/en_us.json"
+      translation: "/src/main/resources/assets/firmament/lang/%locale_with_underscore%.json"
+