0.2

Feature release.

Changes include:

• Add slovak translation
• Add opt-in notification emails
• Fix video loading in albums
• Add public link feature
• Rework news styling
• Fix gif upload
• Declare the webapp as a PWA with a share-intent

⚠️ Support for PHP 7.1 was dropped.

This update has a database structure change. Please see the corresponding migration file.
To upgrade, follow the upgrade guide.