User typing input section

[darakhshanda]

User story

As a user, I want a dedicated area to type the displayed text so that I can input my typing accurately.

Acceptance Criteria:

[ ] An editable text area is provided separate from the displayed text.
[ ] The text area is initially empty and ready for user input.
[ ] The text area contains a placeholder that indicates how to start the test.
Tasks:

[ ] Add an editable text area for user input.
[ ] Ensure the text area starts empty and is ready for typing.
[ ] Ensure the text area placeholder text indicates to the user how to start the test.