build: move non master beta builds into branch subdirectory
build: move non master beta builds into branch subdirectory

olihey/rclone,olihey/rclone,yonjah/rclone,ncw/rclone,yonjah/rclone,B4dM4n/rclone,ncw/rclone,yonjah/rclone,ncw/rclone,B4dM4n/rclone,yonjah/rclone,B4dM4n/rclone,olihey/rclone,B4dM4n/rclone,olihey/rclone,ncw/rclone