Added onedrive-inspect list files & disk status

[tgckpg]

Sorry I am not clear about the coding style of this project, So this might need some refactor / tidy up. But it works.

Show drives stat

./onedrive-inspect --stat

Output

Drive: a9e9852de69a6461
    Usage: 281.827 GB / 1029 GB, 747.173 GB Free

List drive's files

./onedrive-inspect a9e9852de69a6461

Output

Apps/
Documents/
Music/
Pictures/
Video/
a.txt

List drive's directory

./onedrive-inspect a9e9852de69a6461 Documents

Output

works/
old/
Quick Notes.one