1. Command handler can return command exectution status as int. 2. Existing command handlers rework. Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordicsemi.no>
Added optional shell commands: - clear - for clearing terminal - history - commands history - resize - terminal resize - shell - controling echo and colors Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no> Signed-off-by: Jakub Rzeszutko <jakub.rzeszutko@nordicsemi.no>