
- Update doc/source/framework/index.rst with design principles and directory structure overview. - Add doc/source/framework/ssh/index.rst for SSH infrastructure, including connection behavior and flow. - Prepare structure for future SSH module-level documentation. Change-Id: Ia8df587d0ec5c1c3c756ed630d9e9ea122e8cfcf Signed-off-by: Andrew Vaillancourt <andrew.vaillancourt@windriver.com>