Dark Mode Ultra

Added:

gui/advancements

• window

gui/sprites/advancements

• challenge_frame_unobtained
• goal_frame_unobtained
• tab_above_left
• tab_above_left_selected
• tab_above_middle
• tab_above_middle_selected
• tab_above_right
• tab_above_right_selected
• tab_below_left
• tab_below_left_selected
• tab_below_middle
• tab_below_middle_selected
• tab_below_right
• tab_below_right_selected
• tab_left_bottom
• tab_left_bottom_selected
• tab_left_middle
• tab_left_middle_selected
• tab_left_top
• tab_left_top_selected
• tab_right_bottom
• tab_right_bottom_selected
• tab_right_middle
• tab_right_middle_selected
• tab_right_top
• tab_right_top_selected
• task_frame_unobtained
• title_box