Create simple front-end using React

[achab]

• Create a single page front-end, with:
  • a button to upload the pdf,
  • a text field to enter the question
  • a button to send the request to your API
• You can simply show the answer below these buttons.
• The front-end code should be put in a folder frontend.
• Don't forget to add node_modules folder to .gitignore.