User turns:
user: I need you to set up a fresh folder wherever you're currently working.
user: The fresh folder should name 'WebDevProjects'. 
user: Populate the 'WebDevProjects' folder with 3 files:, 'styles.css',  'index.html', and 'script.js' with content 'Hello World!','Hi World!', 'Halo World!' in each.
user: What's the second file name by system order? Don't list out hidden files.
user: Can you display the content of the first file by system order?

Involved APIs: GorillaFileSystem
Ground-truth function call path:
GorillaFileSystem.mkdir
GorillaFileSystem.cd
GorillaFileSystem.echo
GorillaFileSystem.sort
GorillaFileSystem.tail