Updated the shell page.
Updated the shell page.

cganas/picoCTF-web,cganas/picoCTF-web,picoCTF/picoCTF-web,picoCTF/picoCTF-web,picoCTF/picoCTF-web,cganas/picoCTF-web,cganas/picoCTF-web,picoCTF/picoCTF-web