You can treat this essentially as your bible. https://discuss.eroscripts.com/t/how-to-use-scripts-in-vr-picture-guide-heresphere-whirligig/20477
Smb is just using local sharing through your own wifi. Your pc and quest should be on the same connection. You pick which files or folder(i prefer folder) to appear in the network. The newer version of heresphere auto scans which pcs have a shared folder so its a lot easier to setup. You can just bookmark the exact folder once you opened it so its just 1 click.