Added confirmation dialog when enabling stylesheets (solves #112, #119, #152 on Github)

Added new Theme API properties:
- frame_inactive - Customize header appearance when window is inactive
- ntp_card_background - Better control over new tab page card styling
- toolbar_text - Explicit toolbar text color control
Removed deprecated properties:
- tab_background_separator (deprecated since Firefox 89)
- toolbar_field_separator (deprecated since Firefox 89)
Removed redundant property:
- bookmark_text (replaced by toolbar_text)

There should be no breaking changes, previous configuration should carry over to the new version seamlessly. If not, resetting the theme template to default should fix it.

- Fix auto mode not updating the theme at the set time interval

* Dynamically set `prefers-color-scheme` CSS property on theme mode change (#94)

- Added a new icon

Special thanks to https://github.com/reeseovine for the icon design!

- Added new connection error page with button for retrying the connection without restarting
- Added options for muting update and connection notifications
- Fixed incorrect connection status if native messenger disconnected without error
- Removed tab border color in Firefox 89.x

This update adds support for the new theme mode commands in the native application. You can find more info about this here: https://github.com/Frewacom/pywalfox-native/releases/tag/v2.7.1.

If you want to use this new feature, you must also update the native application to version >= 2.7.1.

This update contains relatively few noticeable changes for users and is mainly code refactoring and improvements.

- Add experimental support for darkreader (currently unavailable to normal users)
- Add option for automatically fetching colors on startup from the native application
- Minor UI fixes and improvements

- Accessibility improvements in the Settings page (highlight the selected button/link when using tab)
- Updated text on update page
- Bumped the minimum required version of the Pywalfox native messaging application

- Fixed issue where the debugging section would not display connection status and version correctly
- Fixed issue with custom colors not resetting on Fetch for the non-selected theme mode
- Minor style improvements to Settings page

- Fixed issue with Auto theme mode not triggering for the selected time interval
- Show notification when trying to fetch colors but you are not connected to the daemon

- Fixed issue with data not loading correctly in the Settings page if it was open from a previous Firefox session

- Complete revamp of the extension page
- Better error handling
- Extensive customization options
- Customize (almost) every element of the browser to your liking
- Live reload of DuckDuckGo colors
- Light/dark/auto theme modes, use Auto for automatic switching between light- and dark mode based on time of day

This update requires that you install the updated daemon. You can find instructions of this

- Fixed issue where the scrollbar would not be hidden, despite the option
- Separated userChrome and userContent into two different options
- Added support for communication with other extensions, e.g. Darkreader
- Fixed issue where undo in the colorpicker would not reset to the previous color
- Code cleanup and fixes

- Changed all text color to "Text color"

- Fixed layering issue with notifications in the Settings page

- Added a new feature for creating custom theme templates, allowing you as the user to decide which colors from the pywal palette should be used when creating a theme.
- Added a notification page telling you to update the native app when it is incompatible with the addon
- Added media queries to improve usability in smaller windows
- Added indicator to Settings page telling you the version and connection status to the daemon
- Fixed issue where DuckDuckGo theme would not reset when resetting the pywal theme
- Increased width of content in Settings page
- Other minor bug fixes and improvements

- The daemon is no longer queried on launch and colors are read from local storage instead (if they exist)
- Added error handling for cases where the pywal colors in local storage was undefined
- Changed default Settings page heme

Remember to run a git pull in your Pywalfox directory to get the updated script (the most recent changes was made 03-17-2020)

- DuckDuckGo-pages will be automatically refreshed and updated after fetching pywal colors
- Added support for triggering an update of the theme using the native script (python pywal-fetcher.py update)

- Fixed issue with color previews in colorpicker not updating when fetching new colors
- Removed the (unused) "backgroundDark" color

- New improved color picker dialog
- Minor fixes and improvements

- Added support for custom text color
- Minor fixes and improvements

- Improved the custom color picker
- Minor other changes and improvements

Using the new color picker modal, you can choose between the colors generated by pywal, as well as selecting a custom color using the built-in color picker.

- Improved readability in DuckDuckGo-theme
- Fixed issue where you would have to manually reselect a theme for the DuckDuckGo-theme to be disabled
- Added style in custom CSS to hide the semi-transparent top-border when hovering a tab
- Minor improvements and bug fixes

- Added automatic theming support for DuckDuckGo (can be enabled and disabled using the add-on settings page)
- Improved UI design of the settings page
- Minor improvements and bug fixes

- Customize colors used in the theme using the built in colorpicker
- Moved extension settings page to a separate tab instead of a popup
- Improved contrast and overall design of the settings page
- Changed colors in theme to make it a bit more colorful
- Bug fixes