bootstrap google sheet

1) make a modal in a form on my site for file upload 2) when user uploads files (inside modal) in form I need to see file in google drive folder + link to file in google spreadsheet cell IMPORTANT INFO : "google post files" are setup on submit and google sheet database is working perfectly already 3) user also makes a signature - signature image is for the moment stored on my server - I want to store signature in drive folder and have a link to signature inside google sheet IMPORTANT INFO : signature post to sheet is already setup, it simply needs the last little correction to get it on drive folder and in cell