v1.6.0

• Fixed: card_mod compatibility and localize empty state message by @kvanzuijlen, Thank you!
• Added Swedish translations by @naitkris, Thank you!
• Added card option card_background to set background color
• Added card options timeline_color_start, timeline_color_end, dot_color to set timeline & dots color
• Added entity option show_entity_picture to show the entity picture instead of icon if available
• Added transparency slider to all color pickers