Anki add-on: [Deep Thinking 3/3]3step - Hard choice and Failure Auto tagging

same as key(1) but work with keyboard shortcut, and Failure Auto tagging and 3step view(=blur screen) Question => Answer => Blur screen => Question .... -------------------- Hard choice And Fail tag Keyboard Shortcut = Ctrl + Shift + f -------------------- update 2023-03-16 We resolved the issue of slow performance with Qt6's JavaScript and got the blur screen to work again. update 2023-03-11 There is a problem with slow Blur screen in Qt6. To avoid this, we have modified the behavior to use a blank screen instead of Blur screen only for Qt6. update 2023-02-01 Fixed screen flickering issue in version 2.1.56 Change blank screen to Blur screen update 2022-11-27 Fixed screen flickering issue in version 2.1.54 update 2022-09-27 change 3step view(=blank screen) by css (style.opacity='0') First release 2022-07-20