add new images

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>
improve style for the .command-items

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>
remove the .first-element tag

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>
improve the command-items style

Signed-off-by: Henrique Vicente <henriquevicente@gmail.com>