refactor: removed else if statements from App.js and used if statemen…

[matheusdefarias]

Briefly describe the changes.

In the App.js file, inside the function handleHttpRequest the if/else if statements were changed to if statements with return in the end.

Checklist ✅

• Change from if/else if statements to if statements with return

How to test 👋

1. Run npm run server
2. Run npm start
3. Add, edit and remove cards

Requirements ✏️

LINK DO CARD