Update crowdin.yml

Add Slovak as exported language

crowdin.yml

@@ -18,6 +18,7 @@ export_languages:
   - zh-CN
   - pt-PT
   - pt-BR
+  - sk
 files:
   - source: /FreeAPS/Sources/Localizations/Main/en.lproj/Localizable.strings
     translation: /FreeAPS/Sources/Localizations/Main/%osx_locale%.lproj/Localizable.strings