create function to upload a whole folder structure

[grumpyp]

Create a function in main.py to create the folder structure of the given directory and upload all files in it.

There must also be some code implemented in the backups/googledrive.py

so that python3 main.py --upload /Users/foo/Documents/Skydive -google -dir will create the following sturcture of the tree on the remote and upload all files in the directories to the storage.

example

.
├── testmore
│   ├── xz
│   └── zy
│       ├── ab
│       ├── bc
│       └── fg
└── whynot