To avoid data lost: Aws s3 upload in background must wait before close writer

[peczenyj]

this fixes issue #107 by extracting the code from azure and create a generic component

also I just fix some minor issues and update the project ot go 1.20

enjoy

[peczenyj]

hello guys, since this issue was not handle after months, we will swich to other solutions that does not have the same issue.

feel free to consider merge this PR, the rest of the community will appreciate