This patch adds a JSON web token library that adds the capability
to sign JSON tokens. This was located in subsys due to the dependency
on MBEDTLS, which resides in /ext.
Signed-off-by: David Brown <david.brown@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Move guides and APIs into separate directories and cleanup naming
introducing index files rather than named section files.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>