New functionality:
- Added import/export functionality! This enables you to easily share your settings with your team members and add the settings json file to your favorite VCS!

Improvements and bugfixes:
- Better error handling and feedback to the user during configuration
- Changed the settings to open in a separate page
- Improved the styling of the settings page
- removed annoying quirks when using the 'remove'-button

Reduced required permissons

Removed unnecessary permissions from the manifest.