ADD: added new user data model and updated the administration site

backend/cmd/server/main.go

@@ -67,6 +67,7 @@ func main() {
 	})
 	api.DELETE("/players/:id", func(c *gin.Context) {
 		player.DeletePlayer(c, db.GetDB())
+		// c.JSON(http.StatusOK, gin.H{"message": "Player deleted successfully"})
 	})
 
 	port := os.Getenv("PORT")