Add crowdin configuration and github action (#12552)

* add crowdin.yml

* add crowdin_action.yml

* remove comments

* test on this branch

* use SHA

* only run on develop

.github/workflows/crowdin_action.yml

@@ -0,0 +1,31 @@
+name: Crowdin Action
+
+permissions:
+  contents: write
+  pull-requests: write
+
+on:
+  push:
+    branches:
+      - develop
+  schedule:
+    - cron: "0 */12 * * *"
+
+jobs:
+  synchronize-with-crowdin:
+    runs-on: ubuntu-latest
+
+    steps:
+
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: crowdin action
+      uses: crowdin/github-action@d0622816ed4f4744db27d04374b2cef6867f7bed
+      with:
+        upload_translations: true
+        download_translations: true
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        CROWDIN_PROJECT_ID: ${{ secrets.CROWDIN_PROJECT_ID }}
+        CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_PERSONAL_TOKEN }}

crowdin.yml

@@ -0,0 +1,13 @@
+"project_id_env": CROWDIN_PROJECT_ID
+"api_token_env": CROWDIN_PERSONAL_TOKEN
+"base_path" : "."
+"base_url" : "https://metamask.crowdin.com"
+
+"preserve_hierarchy": true
+
+files: [
+ {
+  "source" : "app/_locales/en/messages.json",
+  "translation" : "/app/_locales/%two_letters_code%/%original_file_name%",
+ }
+]