A Xiangqi app made by react

Functions :

1. Moving the piece freely
2. Reading FEN input and generate position on board
3. Giving you the FEN of the position on board
4. Flipping the board around
5. Validation for the FEN input
6. Validation for the movement of the pieces

Functions to be added:

1. Validation for the FEN input
2. ~~Validation for the movement of the pieces ~~
3. A list of moves that players made in the game
4. Drag and drop function of the pieces on board
5. Changing the theme of the app
6. To be continued