Format JSON and YAML using Prettier (#17823)

* Format JSON and YAML using Prettier

* Add prettier to devDep

.github/workflows/check-i18n.yml

@@ -2,9 +2,9 @@ name: Check i18n
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 env:
   RAILS_ENV: test
@@ -14,21 +14,21 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Install system dependencies
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y libicu-dev libidn11-dev
-    - name: Set up Ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: '3.0'
-        bundler-cache: true
-    - name: Check locale file normalization
-      run: bundle exec i18n-tasks check-normalized
-    - name: Check for unused strings
-      run: bundle exec i18n-tasks unused -l en
-    - name: Check for wrong string interpolations
-      run: bundle exec i18n-tasks check-consistent-interpolations
-    - name: Check that all required locale files exist
-      run: bundle exec rake repo:check_locales_files
+      - uses: actions/checkout@v2
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libicu-dev libidn11-dev
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.0'
+          bundler-cache: true
+      - name: Check locale file normalization
+        run: bundle exec i18n-tasks check-normalized
+      - name: Check for unused strings
+        run: bundle exec i18n-tasks unused -l en
+      - name: Check for wrong string interpolations
+        run: bundle exec i18n-tasks check-consistent-interpolations
+      - name: Check that all required locale files exist
+        run: bundle exec rake repo:check_locales_files