Format JSON and YAML using Prettier (#17823)

* Format JSON and YAML using Prettier

* Add prettier to devDep

config/database.yml

@@ -32,4 +32,3 @@ production:
   host: <%= ENV['DB_HOST'] || 'localhost' %>
   port: <%= ENV['DB_PORT'] || 5432 %>
   prepared_statements: <%= ENV['PREPARED_STATEMENTS'] || 'true' %>
-

config/i18n-tasks.yml

@@ -17,8 +17,8 @@ data:
 
 search:
   paths:
-   - app/
-   - config/navigation.rb
+    - app/
+    - config/navigation.rb
 
   relative_roots:
     - app/controllers