Update Crowdin configuration file

Author: askvortsov1

crowdin.yml

@@ -0,0 +1,5 @@
+files:
+  - source: /docs/*.md
+    translation: /docs/%two_letters_code%/%original_file_name%
+  - source: /docs/extend/*.md
+    translation: /docs/%two_letters_code%/extend/%original_file_name%