1.6.7

What's Changed

• Various small fixes (#427) @marcelveldt
• Youtube Music: Add library add/remove and playlist track add/remove functionality (#425) @MarvinSchenkel
• Create playlist implementation (#424) @marcelveldt
• Add capabilities attributes/properties for MusicProviders (#423) @marcelveldt
• Add method to clear all items from the cache (#422) @marcelveldt
• Add support for brand accounts (#421) @MarvinSchenkel