Create a mini todo app using pure es6. The to-do app is not adaptive. This app has next functionality:
1)Create to-do items and generate HTML markup on page.
2)Remove to-do status from OPEN to DONE.
3)Filter all to-do items by the next categories: status(open, done), priority (low, normal, high) and title name.
4)Delete option on each to-do item to remove it from the page.