Controller support and player feedback modifications

Contents of this update:

1. Implemented Xbox handle control support, using the built-in handle control, and does not support Steam controller input.
2. Based on player feedback in the discussion forum, some errors and unreasonable aspects have been corrected.
3. In order to support Steam Deck, some layouts and font sizes have been modified.
4. In the last three levels of mathematics, prompt props have been added to reduce the difficulty.

Here we are very grateful to the players who have provided opinions and feedback in the community center. Some have put forward pertinent opinions, some have pointed out unreasonable or wrong places, and some have given negative comments. These are all valuable opinions to us. . We will collect player feedback and reflect it in the next version update.