Energy Saver Smart 1.3.2
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New features
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- Added plugin translations for French (fr_FR), German (de_DE), and Spanish (es_ES).
- Added a new frontend option to use the visitor browser language instead of the site language.
- Added localized overlay messages for English, Italian, French, German, and Spanish.
- Added more useful settings: global enable toggle, overlay opacity control, and optional logo visibility.
- Added visible support contact details in the settings page: energysaverplugin@lucaronchi.com

Technical updates
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- Added ESS_I18n helper class to manage supported locales and frontend copy.
- Added upgrade routine to seed new settings and preserve the previous custom overlay message for the site default language.
- Updated frontend JavaScript to select the correct overlay language on the client side.
- Updated uninstall cleanup for the new options.
- Bumped plugin version from 1.2.0 to 1.3.0.
