check that all number used are different in magic square game (#39)

* check that all number used are different

* once all the square is filled it will validate automatically whether the square is correct or not.

* made the error text smaller

* conflict resolve

* conflict

Author: ChetanPatil12

package-lock.json

@@ -218,6 +218,7 @@ export const MagicSquares = () => {
                         value={cellInputValue}
                         onChange={(e) => setCellInputValue(e.target.value)}
                     />
+
                     <div className="flex-button">
                         <div
                             className="button"
@@ -253,6 +254,7 @@ export const MagicSquares = () => {
                                 setBoard(tempBoard);
                                 setFocusCell("");
                                 autocheck();
+
                             }
                         }}>
                             clear