* Add key icon
* Update context icon styles
* Add permissions links
* Show warning badge if permissions are insufficient for certain settings
* Create PermissionsUtil
* Use PermissionsUtil in Backend
* Update SettingsController to use PermissionsUtil
* Update AnkiController to use getRequiredPermissionsForAnkiFieldValue
* Show the permissions buttons/links on the context page when necessary
* Update MV3 compatibility
* Refactor PermissionsToggleController to not require a setting
* Update nativeMessaging to be optional on Chrome
* Update parsing.enableMecabParser setting to request permissions
* Update permissions page to use PermissionsToggleController
* Update permissions documentation
* Disable toggle for permissions which are not optional