Released v1.15.8+66

• Update Traditional Chinese l10n translation, thank for Peter Dave Hello's contribution on Github.
• Update Turkish l10n translation, thank for Bora Atıcı's contribution on Weblate.
• Update Polish l10n translation, thank for Bartek Skrzypek's contribution on Weblate.
• Add Code Generator/Annotation for Proxy design pattern classes (#228).
• Ensure firstday config is applied to the calendar picker (#222, #228).
• Skip reason is also applied during export (#227).
• Fix several issues in database operations:
  • Typo in variable name of custom SQL.
  • Use the correct field type for Record.reason.
  • Use "update" instead of "replace" when inserting multiple records.
  • Use transactions when inserting multiple records.
• Fix issue where today's status couldn't be modified on the multi-habits changer page.
• Fix loadData being completed multiple times when the page initializes (#230).

Full Changelog: v1.15.4+62...v1.15.8+66