[Git] Update .gitignore

Signed-off-by: Regis Merlino <regis.merlino@intel.com>
[Tests] Add a sample upload sync controller app

Signed-off-by: Regis Merlino <regis.merlino@intel.com>
[Tests] Update the upload sync controller with live folder monitoring

Signed-off-by: Regis Merlino <regis.merlino@intel.com>