Add delete cars

[sunga12]

• Added form to add cars to the database

• Added a list of cars with a delete button.

• Added styles for add & delete pages.

• Added Redux async thunk to add & delete cars from the database.

• Added React hooks to update the view after API requests.

• When the user clicks the "New Car" link in the navigation panel they can see a form for adding a new car.

• When the user clicks the "Delete Cars" link in the navigation panel they can see a list of all cars with title and "Delete" button.

• When the user clicks the "Delete" button, the selected item is deleted.

[hmunish]

@sunga12 you done with the stylings ?

[hmunish]

@sunga12, great job implementing add & delete car functionalities & great design for the components. It's time to merge it.

🟢 Perfect design layout.
🟢 User can add & delete cars.
🟢 All linters are passing.

Thank you!