This is a ToDo app. The final app would look somthing like this -

Setup React

1. Follow https://reactjs.org/docs/create-a-new-react-app.html
2. Install an IDE, eg. WebStorm

Components Involved

1. Create Task

   1. Add action to complete and remove task
   2. Design to strikeout task upon completion

2. Add ToDo Form

   1. Input field to add task

3. ToDo app

   1. Actions to add, complete & remove task
   2. Show remaining tasks to complete
   3. Add css to design