Added option to fix random sorting

• When you set the Sort by setting to Random in a vocabulary list or quiz, a Random Lock option appears below.
• When Random Lock is set to Disabled, the random results will be different each time.
• You can fix the random results by clicking the + button on the right side of Disabled to set the value used for randomization.

Added slim bookcase option

• You can view your vocabulary list more simply by using the slim bookcase option, accessible via the second button in the top right corner of the bookcase.

Other updates

• Avar and Tsez languages have been added.
• The font size adjustment screen has been improved.
• The app logo has been improved to better match system themes.
• The flashcard Auto Read option now includes settings for whether to read the word and meaning.
• Added an option to hide vocabulary list names in quizzes. (Quiz pre-start settings → View → Show Vocabulary Name)