Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.
Enter HTML in the text area provided and click RUN.
Each Tag will be treated as a folder, and each text will be treated as a file. A new line on the texts will seperate one file from another.
Basic HTML error cases are handled such as wrong opening and closing tags, but not all are considered.
The header tag will be marked red
The tree created in the modal can be collapsed, and each item can be selected to either open if a folder, or shown in an alert if a file.