[0.3.0] - Visually distinguish which proverbs have been previously read. [0.2.0] - 16/01/2022 Add remaining 20 proverbs. Migrate to null safety. [0.1.0] - 04/02/2021 First beta version for testing. Optimized for mobile. Contains 30 proverbs. Light/Dark Mode. Ability to view pieces as 玉/K.