Add support for copying files to Google Drive

[radu-tutueanu]

Why

We'll have to copy files to Google Drive for some of our clients. We'd want to be able to choose the location

What

• Uploading files to google drive is supported
• Uploading files to a shared drive is supported
• The location(parent folder) can be set
• There is an option to upload to a google doc type - we are only interested in Google Sheets at the moment

Notes

https://developers.google.com/drive/api/v3/manage-uploads#import_to_google_docs_types_

[iprunache]

Use the Path field in the route configuration form as the path to the GDrive folder.