Update sys.path reference in es24n_conf.py and all documentation
to reflect the new folder name.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Document the new file structure, both connection methods (serial/network),
both workflows (serial config and firmware update), key design notes
(auth credentials, firmware bug workaround, API paths), and the planned
network-based config workflow.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
