fix: some stuff

Author: dankobg

README.md

@@ -6,4 +6,5 @@ Basic chess board web component for juicer-chess
 
 - Easy to use web component
 - Drag and drop piece movement
-- Customizable board and piece themes using css or props
+- Customizable board and piece themes using css or board props
+- movestart, movecancel and movefinish events where for movefinish, you can use e.preventDefault() to cancel the move