Draft: add Parental Control toggle to settings view

Description

This MR adds a "Parental Control" toggle to the settings view. When activated, files cannot be deleted or playlists modified without entering the pin.

Changes Made

• Added a new SettingsItem of type .toggle to the main settings section.
• Defined the kVLCSettingEnableKidsMode constant in VLCConstants.h.
• Added translations for the toggle text and subtitle in Root.strings (English and Brazilian Portuguese).
• Created new function 'authenticateUser' in 'EditActions'
• Called function 'authenticateUser' in 'defete' functions in 'EditActions'