doc update

Signed-off-by: Jean Bordat <bordat.jean@gmail.com>
parameters update

Signed-off-by: Jean Bordat <bordat.jean@gmail.com>
Exposing configuration

Signed-off-by: Jean Bordat <bordat.jean@gmail.com>
doc up

Signed-off-by: Jean Bordat <bordat.jean@gmail.com>