chore: update diagram related to ground_segmentation (#527)

* chore: update diagram related to ground_segmentation

Signed-off-by: badai-nguyen <dai.nguyen@tier4.jp>

* chore: update diag

Signed-off-by: badai-nguyen <dai.nguyen@tier4.jp>

* chore: update diag

Signed-off-by: badai-nguyen <dai.nguyen@tier4.jp>

* chore: update diag

Signed-off-by: badai-nguyen <dai.nguyen@tier4.jp>

---------

Signed-off-by: badai-nguyen <dai.nguyen@tier4.jp>