Update Crowdin configuration file

crowdin.yml

@@ -1,37 +1,7 @@
-#
-# Your crowdin's credentials
-#
-"project_identifier" : "bookstack"
-"base_path" : "."
-#"base_url" : ""
-
-#
-# Choose file structure in crowdin
-# e.g. true or false
-#
-"preserve_hierarchy": false
-
-#
-# Files configuration
-#
-files: [
- {
-  #
-  # Source files filter
-  # e.g. "/resources/en/*.json"
-  #
-  "source" : "/resources/lang/en/*.php",
-
-  #
-  # where translations live
-  # e.g. "/resources/%two_letters_code%/%original_file_name%"
-  #
-  "translation" : "/%two_letters_code%/%original_file_name%",
-
-  #
-  # File type
-  # e.g. "json"
-  #
-  "type" : "php",
- }
-]
+project_identifier: bookstack
+base_path: .
+preserve_hierarchy: false
+files:
+  - source: /resources/lang/en/*.php
+    translation: /%two_letters_code%/%original_file_name%
+    type: php