Sync roms, save state, Google Drive, Raspbian, rclone

1. Create a separate Google Drive account for this purpose.
2. Install rsync utililty

   curl https://rclone.org/install.sh | sudo bash

3. the config file must be installed on ~/.config/rclone/rclone.conf
4. backup roms, memory cards and save states:

   rclone -vv sync ~/RetroPie/roms RetroPie:RetroPie/roms

5. backup BIOS files:

   rclone -vv sync ~/RetroPie/BIOS RetroPie:RetroPie/BIOS